THE MILKY WAY

The Andromeda galaxy is heading straight toward our own Milky Way. The two galaxies will inevitably collide. Will that be the very last night sky our solar system witnesses? You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t­-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Help translate our videos! https://www.youtube.com/timedtext_cs_panel?tab=2&c=UC7_gcs09iThXybpVgjHZ_7g Previous Episode: Scientists Have Detected the First Stars https://www.youtube.com/watch?v=-R9F2_D76TE See that fuzzy blob on the sky? The one just left of the Milky Way center in the constellation of Andromeda. That’s M31 – the Andromeda galaxy. It’s two and a half million light years away and host to a trillion stars. It has a beautiful spiral structure spanning its gently rotating disk 220 thousand light years in diameter, and a central bulge that hides a giant black hole that contains the mass of well over a hundred million Suns. Andromeda is also racing towards our galaxy at 110 km/s. Written and Hosted by Matt O'Dowd Produced by Rusty Ward Graphics by Grayson Blackmon Assistant Editing and Sound Design by Mike Petrow and Linda Huang Made by Kornhaber Brown (www.kornhaberbrown.com) Comments Matt responded to include: The Exoplanets Channel https://www.youtube.com/watch?v=-R9F2_D76TE&lc=UgzYOYV-1GsJrSwlmZ14AaABAg Patrick Horgan https://www.youtube.com/watch?v=-R9F2_D76TE&lc=UgxB8ZoEtScJ4vFBSo94AaABAg And Springville High School’s AP Physics Class! Special thanks to our Patreon Big Bang, Quasar and Hypernova Supporters: Big Bang CoolAsCats David Nicklas Faisal Saud Anton Lifshits Joey Redner Quasar Tambe Barsbay Mayank M. Mehrota Mars Yentur Mark Rosenthal Dean Fuqua Justin Lloyd Roman Pinchuk Hypernova Kevin Costello Edmund Fokschaner Matthew O’Connor Eugene Lawson Barry Hatfield Martha Hunt Joseph Salomone Chuck Zegar Jordan Young Ratfeast John Hofmann Craig Peterson Thanks to our Patreon Gamma Ray Burst Supporters: James Hughes Fabian Olesen Kris Fernet Jane Meyers James Flowers Greg Allen TJMadison Denys Ivanov Nick Virtue Alexey Eromenko Nicholas Rose Scott Gossett Mark Vasile Patrick Murray Sultan Alkhulaifi Alex Seto Michal-Peanut Karmi Erik Stein Kevin Warne JJ Bagnell J Rejc Avi Goldfinger John Pettit Florian Stinglmayr Benoit Pagé-Guitard Nathan Leniz Brandon Labonte David Crane Greg Weiss Brandon Cook

*Milky Way is as big as Andromeda A new study claims our nearest big neighbour the Andromeda galaxy M-31 and our own galaxy the Milky Way are about the same mass. The findings contradicts earlier studies which concluded that Andromeda was two to three times larger than the Milky Way. *New Hubble constant hinting at strange new physics beyond the standard model Astronomers have used NASA's Hubble Space Telescope to make the most precise measurements yet of the expansion rate of the universe since it was first calculated nearly a century ago. Intriguingly, the new results are forcing astronomers to consider that they may be seeing evidence of something unexpected at work in the universe. *The most distant supernova ever seen Astronomers have confirmed the discovery of the most distant supernova ever detected. The findings claim the huge cosmic explosion took place 10.5 billion years ago – meaning it’s taken some three-quarters of the age of the universe for light from the blast to reach Earth. *The Science Report Climate change now so bad that sea levels will continue to rise even if all Paris targets are reached. Up to 30 percent of teenage school kids now involved in sexting. The first three-dimensional computer models of the thylacine or Tasmanian Tiger. A new study warns hackers could take control of patient’s pacemaker. Alex on Tech looks at the latest rumours about the next iPhone. Stream on demand from www.bitesz.com (mobile friendly) For enhanced Show Notes including photos to accompany this episode, visit: http://www.bitesz.com/spacetimeshownotes This episode of SpaceTime is brought to you by Grammarly...an intelligent writing app. Spelling and grammar corrections that make you look like a writing whiz. If you write anything on or offline you need Grammarly. It’s saved us many times. Use our special url to get your free browser extension and Grammarly account. www.getgrammarly.com/spacetime so they know you came from us. Subscribe, rate and review SpaceTime at all good podcasting apps…including Apple Podcasts (formerly iTunes), audioBoom, Stitcher, PocketCasts, Podbean, Radio Public, Tunein Radio, google play, Spreaker, Spotify, Deezer etc RSS feed: https://audioboom.com/channels/4642443.rss Would you prefer to have access to the special commercial free version of SpaceTime? Help support the show, subscribe at Patreon....and share in the rewards. Details at www.patreon.com/spacetimewithstuartgary Help support SpaceTime : The SpaceTime with Stuart Gary merchandise shop. Get your T-Shirts, Coffee Cups, badges, tote bag + more and help support the show. Check out the range: http://www.cafepress.com/spacetime Thank you. Plus: As a part of the SpaceTime family, you can get a free audio book of your choice, plus 30 days free access from audible.com. Just visit www.audibletrial.com/spacetime or click on the banner link at www.spacetimewithstuartgary.com Email: [email protected] Join our mailing list at http://www.bitesz.com/join-our-mailing-list

The closest galaxy to our own is the majestic Andromeda galaxy, a collection of a trillion stars located a “mere” 2 million light years away. https://gizmodo.com/good-news-the-milky-way-may-not-be-devoured-by-androme-1823080163 http://www.wochit.com This video was produced by YT Wochit News using http://wochit.com

This episode is brought to by Grammarly….an intelligent writing app. It’ll correct hundreds of writing errors for you….and has saved us multiple occasions. It’s one app we use every day here at SpaceTime. And there’s a free browser extension. Go to www.getgrammarly.com/spacetime for your free download and help support the show...it’ll improve your writing no end! Stream on demand from www.bitesz.com (mobile friendly). *New evidence that our galaxy is a cannibal Astronomers have discovered evidence confirming that the outer halo of the Milky Way contains stars stolen from neighbouring dwarf galaxies. The new findings support the idea of galactic cannibalism in which big galaxies grow bigger by merging or consuming smaller galaxies. *All systems go for Falcon heavy Space X is about to launch its largest and most powerful rocket ever -- the Falcon Heavy. The new 70 metre tall launch vehicle combines three Falcon 9 core stages mounted side by side. Instead of the usual dummy payload packed with scientific monitoring equipment – SpaceX boss Elon Musk is sending his own midnight cherry Tesla Roadster with David Bowie’s Space Oddity playing through the speakers. *Scientists discover how black holes regulate star formation in massive galaxies For year astronomers have noticed a direct relationship between the size of a galaxy and the mass of the supermassive black hole at its centre -- But the machinations of how it all worked has been more of a mystery. Now a new study has provided direct observational evidence that the mass of the central black hole affects the formation of new stars throughout the galaxy’s lifetime. *The Science Report The biological markers in blood plasma which could provide an early warning of Alzheimer’s disease. Polar bears slowly starving to death because declining sea ice due to man-made climate change. New questions about the effectiveness of taking fish oil capsules for heart health. New tool discoveries indicate humans left Africa much earlier than thought. The events that have shaped the nation the most. The Skeptics guide to so called energy medicine. For enhanced Show Notes including photos to accompany this episode, visit: http://www.bitesz.com/spacetimeshownotes Subscribe, rate and review SpaceTime at all good podcasting apps…including Apple Podcasts (formerly iTunes), audioBoom, Stitcher, PocketCasts, Podbean, Radio Public, Tunein Radio, google play, Spreaker etc RSS feed: https://audioboom.com/channels/4642443.rss Would you prefer to have access to the special commercial free version of SpaceTime? Help support the show, subscribe at Patreon....and share in the rewards. Details at www.patreon.com/spacetimewithstuartgary Help support SpaceTime : The SpaceTime with Stuart Gary merchandise shop. Get your T-Shirts, Coffee Cups, badges, tote bag + more and help support the show. Check out the range: http://www.cafepress.com/spacetime Thank you. Plus: As a part of the SpaceTime family, you can get a free audio book of your choice, plus 30 days free access from audible.com. Just visit www.audibletrial.com/spacetime or click on the banner link at www.spacetimewithstuartgary.com Email: [email protected] Join our mailing list at http://www.bitesz.com/join-our-mailing-list

A new visualization provides an exceptional virtual trip — complete with a 360-degree view — to the center of our home galaxy, the Milky Way.

The Earth is located about 26,000 light years, or about 200,000 trillion miles, from the center of the Galaxy. While humans cannot physically travel there, scientists have been able to study this region by using data from powerful telescopes. A new visualization, based on data from NASA's Chandra X-ray Observatory and other telescopes, lets viewers explore the Milky Way's center. In this 360-degree movie, viewers can see powerful winds from giant stars around the Galaxy's supermassive black hole. Scientists are using this visualization to examine the effects from the black hole on its stellar neighbors.

A 360-degree movie immerses viewers into a simulation of the center of our Galaxy. This visualization was enabled by data from Chandra and other telescopes and allows viewers to control their own exploration of this region. From the vantage point of the Milky Way's supermassive black hole, Sgr A*, the viewer can see about 25 Wolf-Rayet stars (white, twinkling objects) as they continuously eject stellar winds (black to red to yellow color scale). These winds collide with each other, and then some of this material (yellow blobs) spirals towards Sgr A*. The movie shows two simulations, each of which start around 350 years in the past and span 500 years. The first simulation shows Sgr A* in a calm state, while the second contains a more violent Sgr A* that is expelling its own material, thereby turning off the accretion of clumped material (yellow blobs) that is so prominent in the first portion.

Zooming in on the Rho Ophiuchi star formation region in the constellation of Ophiuchus. More information and download options: http://www.eso.org/public/videos/eso1732b/ Credit: ESO, S. Guisard (www.eso.org/~sguisard), N. Risinger (skysurvey.org). Music: Johan B. Monell (www.johanmonell.com)

September 14, 2017 Phillips Auditorium Jennifer Johnson Ohio State University Host: Aaron Dotter Abstract: The past 10 billion years have been an exciting time for the Milky Way's disk. Based on over 100,000 stars with SDSS/APOGEE near-infrared spectra, I will review work on its age distribution, both radially and vertically, and the evidence for radial mixing of populations. I will present work on the large-scale chemical cartography of the Milky Way disk. I will discuss current efforts to calibrate "chemical age" indicators, in particular C/N in red giants, using stellar cluster data and asteroseismic ages. I will conclude with the most ambitious program yet to study the Milky Way disk -- the ~5 million star Milky Way Mapper, part of the After-Sloan-IV proposal.

Each week Astro Primer gives everyone worldwide a quick understanding of what to expect from the Moon, Milky Way and other Celestial objects to capture in your photography. Know when the Milky Way will be visible worlwide for week September 10th - 16th. This week, September 10th through 16th the Northern Hemisphere goes into a period of the Milky Way setting early in the evening while the Southern Hemisphere still enjoys up to SEVEN HOURS of Milky Way visibility! No matter where you are in the world, this Astro Primer we release every Sunday will help you know the rough hours to expect to be ready with your camera. The numbers here are all rounded up or down to give a basic window. Consult apps like PhotoPills to know PRECISELY the minutes of your area. Thanks for watching and hope you get out and have a Photog Adventure of your own soon! 😀 Support us: https://www.patreon.com/photogadventures Thanks for watching and see you next time! WEBSITE: http://www.photogadventures.com/ ABOUT: http://www.photogadventures.com/about/ ************************************************************** Do you enjoy Photography Podcasts? Check out our Podcast where we talk more in detail about what went well and what could have gone better in each of our adventures : https://goo.gl/6T4oJG ************************************************************** If you are curious, below is a list of the gear we use. These are Amazon links, so if you were to buy anything from them it actually would help support Photog Adventures and we really appreciate it! Camera Gear: ------------------------------------------------------------------------------------------------ Canon 5D MKIII: https://goo.gl/PmrmKq Canon 70D: https://goo.gl/AcrCmq Canon 6D: https://goo.gl/97a0VJ Canon 17-35mm f2.8L: https://goo.gl/N7QUuu Tamron 15-30mm f2.8: https://goo.gl/dKzIBd SunwayFoto L Bracket: https://goo.gl/E3B4xS Manfrotto Junior 410 Geared Head: https://goo.gl/3VTViD Acratech GP Ballhead with Gimbal Feature: https://goo.gl/GltQvm Manfrotto Tripod Aluminum: https://goo.gl/5AuRcV Feisol Tournament CT-3442 Rapid: https://goo.gl/silJQV Mindshift Gear 180 Horizon: https://goo.gl/AZC3XA Canon Camera Bag: https://goo.gl/nXk9ON Astrophotography Gear: ------------------------------------------------------------------------------------------------ Boruit Rechargeable LED Headlamp RJ-3000: https://goo.gl/FVrQKt JClaw Tek LED Headlamp with Red Lights for Night: https://goo.gl/7bmz3l F&V Z96 UltraColor LED Light (Same as Aaron purchased but as of today, out of stock.) amzn.to/2oZGyHj In-Stock option for F&V HDV-Z96 II Z-flash LED Light amzn.to/2oZsm1d Larger Capacity Battery for F&V light amzn.to/2opJU86 YONGNUO YN300 Air LED Video Light: https://goo.gl/TewFMs Rokinon/Samyang 24mm F/1.4 Aspherical Wide Angle Lens: https://goo.gl/IeBdaR Vlogging Gear: ------------------------------------------------------------------------------------------------ GoPro HERO4 Session: https://goo.gl/fTGbYv GoPro Hero4 Silver: https://goo.gl/h0gSgd GoPro Hero4 Black: https://goo.gl/yZD5T3 Zoom H1 Portable Digital Recorder: https://goo.gl/RvKj5e Rode SmartLav+: https://goo.gl/7qwAh2 Tascam DR-60DmkII: https://goo.gl/5uklXJ Thank you for supporting us!

The August 2017 total solar eclipse seen across the United States was an epic event. However, scientists and researchers at NASA's Ames Research Center use different types of eclipses every day to learn about the mysteries of our sun and our galaxy! Video credit: NASA's Ames Research Center NASA's Ames Research Center is located in California's Silicon Valley. Follow us on social media to hear about the latest developments in space, science and technology. Facebook https://www.facebook.com/nasaames/ Twitter https://twitter.com/NASAAmes Instagram https://www.instagram.com/nasaames/

Neil deGrasse Tyson and comic co-host Eugene Mirman answer fan submitted Cosmic Queries with Matt O’Dowd, astrophysicist and host of PBS Space Time, about vacuum decay, mapping the galaxy, diamond planets, a simulation universe and much, much, more! Watch Neil's guest appearance on Matt's channel: https://www.youtube.com/watch?v=hmVOV7xvl58 For more exclusive content and commercial-free full episodes, subscribe to StarTalkAllAccess.com If you love StarTalk Radio, don't miss out on any StarTalk news. Sign up for our free newsletter: http://www.startalkradio.net/newsletter/youtube/ Catch up with StarTalk Radio around the web: iTunes - http://bit.ly/SOHDg6 SoundCloud - https://soundcloud.com/startalk Stitcher - http://www.stitcher.com/podcast/startalk TuneIn - http://tunein.com/radio/StarTalk-Radio-p334521/ Google Play Music - https://play.google.com/music/m/I6lczawbvvafjdburzbcc23aacu?t=StarTalk_Radio Twitter - https://twitter.com/StarTalkRadio Facebook - http://www.facebook.com/StarTalkRadio Google+ - https://plus.google.com/+startalkradio Snapchat - https://www.snapchat.com/add/startalk-radio Pinterest - http://pinterest.com/startalk/ Tumblr - http://startalkradio.tumblr.com/ Instagram - http://instagram.com/startalkradio The List App - https://li.st/startalkradio

What does it mean if your Milky Way is under exposed? Learn how to properly get a perfect exposure right out of camera and give yourself a much easier time later on in post-processing. Join me for Live Webinar #3 where I go over the camera settings you should use for Milky Way Photography. I will share with you what it looks like when your Milky Way is underexposed and show you why it is so much better to get a properly exposed shot right at the start. We will also go over the settings for a Crop Sensor Camera body vs. a Full Frame Camera body and why you should push your ISO higher than you ever thought you should. Had a blast again guys! I am tempted to keep this going but I may need to change the day to a weekday. Let me know in the comments below if weekdays work out better or worse for ya! 😀 -Aaron FOCUS MAGNIFYING GLASS Carson Lumiloupe: https://goo.gl/d2Zyhd LOW-LEVEL LIGHT F&V Z96 UltraColor LED Light - https://goo.gl/5FvS5L Cheaper F&V HDV-Z96 II Z-flash LED Light - https://goo.gl/sn6ssh Larger Capacity Battery for F&V light - https://goo.gl/5RMyVk Coming up next week! Lesson #4 GEAR Saturday Aug 12th 11am Mountain Time

We're celebrating dark skies and all the wonder they produce by looking up at the beautiful Milky Way from Slooh's Canary Islands Observatories. During the show, we'll explore the importance of dark skies and what it's like to live in a place where light pollution isn't an issue.

Thanks for joining me this morning for a fun webinar! Can't wait until the next one next Saturday! 😀 Links of items mentioned: Stellarium: https://goo.gl/XzRSrK International Space Station texts: https://goo.gl/tqyyKM ClearDarkSky for Cloud info: https://goo.gl/3UrFqY Cloud info for those outside US/Canada/Mexico: https://goo.gl/4R5f4Q DarkSiteFinder for Light Pollution: https://goo.gl/49LTww See you next Saturday for Lesson #2 Composition! Free Live Webinar training you how-to use Stellarium, Photo Pills, DarkSiteFinder.com and ClearDarkSky.com for planning your Milky Way Photography. I will walk you through my work flow of planning using these apps and offer you an opportunity to ask me questions to help you directly. These apps help you know what the Moon is doing, where the Milky Way is, what other celestial events to look out for, where to go to find a dark sky and whether or not clouds will ruin your fun! Thanks for joining me and I look forward to hanging out with you Saturday! -Aaron This is Lesson #1 of a FOUR part Free Webinar series that allows me to talk about the basics of Milky Way Photography and more importantly be available to answer your questions LIVE! Join me for the next FOUR SATURDAYS to be a part of each lesson! Lesson #1 PLANNING Saturday July 15th 11am Mountain Time Lesson #2 COMPOSITION Saturday July 22nd 11am Mountain Time Lesson #3 SETTINGS Saturday July 29th 11am Mountain Time Lesson #4 GEAR Saturday Aug 5th 11am Mountain Time

Launched in 2009, the Kepler space telescope is our first mission capable of identifying Earth-size planets around other stars. On Monday, June 19, 2017, scientists announced the results from the latest Kepler candidate catalog of the mission at a press conference at NASA's Ames Research Center. More info: https://www.nasa.gov/press-release/nasa-releases-kepler-survey-catalog-with-hundreds-of-new-planet-candidates To learn more about NASA’s planet-hunting Kepler spacecraft, visit www.nasa.gov/kepler. Video credit: NASA's Ames Research Center NASA's Ames Research Center is located in California's Silicon Valley. Follow us on social media to hear about the latest developments in space, science and technology. Facebook https://www.facebook.com/nasaames/ Twitter https://twitter.com/NASAAmes Instagram https://www.instagram.com/nasaames/

Last Thursday I was interviewed on the Slooh livestream show, and we were chatting all about the Milky Way galaxy! Before the interview I shot this quick rundown of some fun facts about our home galaxy! Hope you guys enjoy!!! Thanks for watching! xoxo

Stream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *The Milky Way’s mysterious gamma ray glow solved A mysterious gamma-ray glow coming from the centre of the Milky Way is most likely caused by a sea of pulsars. The findings cast doubt on previous ideas that the glow might be evidence of dark matter -- a mysterious invisible substance that accounts for 85 percent of all matter in the universe -- but which has so far evaded detection. *Gravitationally lensed supernova Astronomers have discovered their first gravitationally lensed thermonuclear supernova. The new observations provide new ways of studying the accelerating expansion of the Universe due to a mysterious force called dark energy – as well as gravity and distribution of a mysterious substance called dark matter across the cosmos. *Cassini finds big empty close to Saturn NASA’s Cassini scientists say the region between Saturn and its rings is relatively dust free. However, the discovery made during Cassini’s first plunge inside the rings has come as somewhat of a surprise. *SpaceX launches its first spy satellite SpaceX has successfully launched its first top secret spy satellite for the National Reconnaissance Office. It was a case of second time lucky for the classified payload after a faulty first stage liquid oxygen temperature sensor detected an anomaly the previous day resulting in the launch being scrubbed. The NROL-76 payload was blasted into orbit aboard a Falcon 9 rocket from pad 39A at the Kennedy Space Centre at the Cape Canaveral Air Force Base in Florida. The video for the SpaceX launch is https://www.youtube.com/watch?v=DUcNq1PhPQk For Enhanced Show Notes, including photos to accompany this episode: http://www.bitesz.com/spacetime-show-notes Subscribe, rate and review SpaceTime at all good podcasting apps…including iTunes, audioBoom, Stitcher, Pocketcasts, Podbean, Radio Public, Tunein Radio, google play, etc. RSS feed: https://audioboom.com/channels/4642443.rss Help support SpaceTime : The SpaceTime with Stuart Gary merchandise shop. Get your T-Shirts, Coffee Cups, badges, tote bag + more and help support the show. Check out the range: http://www.cafepress.com/spacetime Thank you. Plus: Get a free audio book of your choice, plus 30 days free access from audible.com. Just visit www.audibletrial.com/spacetime or click on the banner link at www.spacetimewithstuartgary.com Email: [email protected] Join our mailing list at http://www.bitesz.com/join-our-mailing-list For more, follow SpaceTime on Facebook, twitter, Tumblr, YouTube, Google+ and Clammr: Facebook: @spacetimewithstuartgary twitter: @stuartgary Tumblr: http://spacetimewithstuartgary.tumblr.com/ Google+: https://plus.google.com/u/2/collection/cabtNB YouTube: https://www.youtube.com/playlist?list=PLhpBkuHSLfIRnliLB12HoC1QE0rwr8qRS Clammr: http://www.clammr.com/app/spacetime If you're enjoying SpaceTime, please help out by sharing and telling your friends. The best recommendation I can get is one from you. Thank you... #astronomy #space #science #technology #news #astrophysics #NASA #cassini

The Milky Way and Andromeda galaxies are destined to collide. This computer simulation shows the Milky Way and Andromeda as their orbits evolve over the next 7 billion years. Subscribe for more Space wonders on ΥουΤυbe: https://tinyurl.com/SpaceTelescopesYouTube

How do we know what the Milky Way looks like if we've never been outside of it? Hosted by: Caitlin Hofmeister ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shoutout to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Scott Satovsky Jr, Will and Sonja Marple, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://archive.org/stream/workstranslatedi03arisuoft#page/n41/mode/2up https://www.scientificamerican.com/article/how-did-scientists-determ/ https://books.google.com/books?id=IU9FAAAAcAAJ&pg=PA213#v=onepage&q&f=false https://www.e-education.psu.edu/astro801/content/l8_p3.html https://www.sdss3.org/press/milkywaybar.php http://plato.stanford.edu/entries/ibn-bajja/ http://www.atnf.csiro.au/outreach/education/everyone/radio-astronomy/index.html Image Links: https://en.wikipedia.org/wiki/Milky_Way#/media/File:ESO_-_The_Milky_Way_panorama_(by).jpg https://en.wikipedia.org/wiki/Milky_Way#/media/File:Herschel-Galaxy.png https://commons.wikimedia.org/wiki/File:AustraliaSky.jpg https://commons.wikimedia.org/wiki/File:Artist%27s_impression_of_the_Milky_Way_(updated_-_annotated).jpg https://en.wikipedia.org/wiki/William_Herschel#/media/File:William_Herschel01.jpg https://www.e-education.psu.edu/astro801/content/l8_p3.html https://commons.wikimedia.org/wiki/File:HarlowShapely-crop.jpeg https://en.wikipedia.org/wiki/Globular_cluster#/media/File:A_Swarm_of_Ancient_Stars_-_GPN-2000-000930.jpg https://commons.wikimedia.org/wiki/File:Edwin-hubble.jpg https://commons.wikimedia.org/wiki/File:An_Infrared_View_of_the_Galaxy.jpg https://commons.wikimedia.org/wiki/File:GCRT_J1745-3009_2.jpg https://commons.wikimedia.org/wiki/File:Artist%E2%80%99s_impression_of_the_Milky_Way.jpg

In 3.75 billion years, Earth's Milky Way Galaxy will collide with the Andromeda Galaxy. Over the next several billion years, the two galaxies will rip each other apart, eventually creating one elliptical galaxy. Read more: http://www.techinsider.io/ FACEBOOK: https://www.facebook.com/techinsider TWITTER: https://twitter.com/businessinsider INSTAGRAM: https://www.instagram.com/businessinsider/ TUMBLR: http://businessinsider.tumblr.com/

Support ASTRONOMIC: https://www.patreon.com/Astronomic PayPal Donations: [email protected] Subscribe to ASTRONOMIC: https://www.youtube.com/astronomic1 Twitter: https://www.twitter.com/astronomic1 Instagram: https://www.instragram.com/astronomic1 Facebook: https://www.facebook.com/astronomicbook Exclusive Content: https://www.curious.com/astronomic Hello Everyone! Welcome to OUR Universe! If you've enjoyed the video... click the LIKE button! If you want to support the channel... click the SUBSCRIBE button! TITLE: How Many Planets Are In The Galaxy? LINKS: 1. Exoplanet News https://www.sciencedaily.com/news/space_time/extrasolar_planets/ 2. Exoplanet Archive http://exoplanetarchive.ipac.caltech.edu 3. Astrobiology https://astrobiology.nasa.gov OUTRO: 1. Can A Black Hole Stop Time?! https://www.youtube.com/watch?v=ZFnUAFCffXE 2. Is Jupiter A Failed Star? https://www.youtube.com/watch?v=GfVnkiM0jVw 3. Galactic Evolution https://www.youtube.com/watch?v=1d3wMsp_cfQ Thanks for Watching! Twitter: https://www.twitter.com/astronomic1 Instagram: https://www.instragram.com/astronomic1 Facebook: https://www.facebook.com/astronomicbook Exclusive Content: https://www.curious.com/astronomic Support ASTRONOMIC: https://www.patreon.com/Astronomic PayPal Donations: [email protected] to ASTRONOMIC: https://www.youtube.com/astronomic1

Karl Menten (Max-Planck-Institut für Astronomie)

Support ASTRONOMIC: https://www.patreon.com/Astronomic PayPal Donations: [email protected] Subscribe to ASTRONOMIC: https://www.youtube.com/astronomic1 Twitter: https://www.twitter.com/astronomic1 Instagram: https://www.instragram.com/astronomic1 Facebook: https://www.facebook.com/astronomicbook Exclusive Content: https://www.curious.com/astronomic TITLE: GALACTIC EVOLUTION Hello Everyone! Welcome to OUR Universe! If you've enjoyed the video... click the LIKE button! If you want to support the channel... click the SUBSCRIBE button! LINKS: 1.Wiki https://en.m.wikipedia.org/wiki/Galaxy_formation_and_evolution 2. NASA https://science.nasa.gov/astrophysics/focus-areas/what-are-galaxies 3. Cornell Astronomy http://www.astro.cornell.edu/academics/courses/astro201/galaxies/evol.htm OUTRO: 1. FUTURE TELESCOPES: PART 1 https://m.youtube.com/watch?v=7kvbKO3hybQ 2. ALL ABOUT… STARS https://m.youtube.com/watch?v=PUyEGpfoACs 3. EARTH'S FUTURE https://m.youtube.com/watch?v=dBrfZKcruTs Thanks for Watching! Twitter: https://www.twitter.com/astronomic1 Instagram: https://www.instragram.com/astronomic1 Facebook: https://www.facebook.com/astronomicbook Exclusive Content: https://www.curious.com/astronomic Support ASTRONOMIC: https://www.patreon.com/Astronomic PayPal Donations: [email protected] to ASTRONOMIC: https://www.youtube.com/astronomic1

Visit http://science.nasa.gov/ for more. 30 million years from now, a massive cloud of gas will collide with the Milky Way. Astronomers are studying the incoming cloud and learning more about its origin.

The Gaia space observatory released a detailed 3d map of the Milky Way, and scientists have figured out why Charon's north pole is red! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kevin Bealer, Justin Lentz, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Fatima Iqbal, Benny, Kyle Anderson, Mike Frayn, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Chris Peters, Kathy Philip, Patrick D. Ashmore, Thomas J., charles george, and Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.nature.com/news/detailed-map-shows-milky-way-is-bigger-than-we-thought-1.20591 http://www.nature.com/news/milky-way-mapper-6-ways-the-gaia-spacecraft-will-change-astronomy-1.20569 http://www.esa.int/Our_Activities/Space_Science/Gaia/Gaia_discovers_its_first_supernova http://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/201629512 http://www.space.com/30503-pluto-moon-charon-polar-patch.html http://www.jpl.nasa.gov/education/images/pdf/ss-pluto.pdf https://blogs.nasa.gov/pluto/2015/09/09/new-horizons-probes-the-mystery-of-charons-red-pole/ http://pluto.jhuapl.edu/Participate/learn/What-We-Know.php?link=Plutos-Atmosphere Images: http://www.esa.int/spaceinimages/Images/2016/09/Gaia_s_first_sky_map http://www.esa.int/spaceinimages/Images/2013/08/Artist_s_impression_of_Gaia2 https://commons.wikimedia.org/wiki/File:Pleiades_large.jpg https://commons.wikimedia.org/wiki/File:Charon-Neutral-Bright-Release.jpg https://commons.wikimedia.org/wiki/File:Pluto-01_Stern_03_Pluto_Color_TXT.jpg https://commons.wikimedia.org/wiki/File:Formation_of_tholins_in_Titan%27s_upper_atmosphere.svg ESA Copyright Policy: http://www.esa.int/spaceinimages/ESA_Multimedia/Copyright_Notice_Images?img=1

Launched in December 2013, Gaia is destined to create the most accurate map yet of the Milky Way. By making accurate measurements of the positions and motions of stars in the Milky Way, it will answer questions about the origin and evolution of our home galaxy. The first intermediate data release, containing among other things three-dimensional positions and two-dimensional motions of a subset of two million stars, demonstrates that Gaia’s measurements are as precise as planned, paving the way to create the full map of one billion stars to be released towards the end of 2017.

Thanks to: http://www.space.com/34068-gaia-star-map-first-data-released.html

Launched in December 2013, Gaia is destined to create the most accurate map yet of the Milky Way. By making accurate measurements of the positions and motions of roughly 1% of the total population of stars in the Milky Way, it will answer questions about the origin and evolution of our home galaxy. The first intermediate data release, containing, among other things, three-dimensional positions and two dimensional motions of a subset of two million stars, demonstrates that Gaia’s measurements are as precise as planned, paving the way to create the full map of one billion stars to be released towards the end of 2017. Find out more about Gaia: http://www.esa.int/gaia

A visualisation of how Gaia scanned the sky during its first 14 months of operations, between July 2014 and September 2015. The oval represents a projection of the celestial sphere, with different portions of the sky gradually appearing, according to when and how frequently they were scanned by Gaia. The satellite scans great circles on the sky, with each scan lasting about 6 hours. During the first month, the scanning procedure was such that the ecliptic poles were always included. This meant that Gaia observed the stars in those regions many times, providing an invaluable database for the initial calibration of the observations. Then, starting on 21 August 2014, the satellite started its main survey, employing a scanning ‘law’ designed to achieve the best possible coverage of the whole sky. Data collected over Gaia's first 14 months make up the mission’s first data release. Based on these observations, scientists produced a map of the sky, showing the density of stars observed by Gaia. Brighter regions indicate denser concentrations of stars, while darker regions correspond to patches of the sky where fewer stars are observed. The Galactic Plane, where most of the Milky Way’s stars reside, is visible as the brightest portion of the map: a horizontal strip that is especially bright at the centre. Darker regions across the Galactic Plane correspond to dense clouds of interstellar gas and dust that absorb starlight along the line of sight. Stellar clusters also appear, sprinkled across the image alongside a handful of nearby galaxies – most notably the Large and Small Magellanic Clouds in the lower right. A number of artefacts, reflecting Gaia's scanning law, are also visible on the all-sky map. As this map is based on observations performed during the mission’s first year, the survey is not yet uniform across the sky. These artefacts will gradually disappear as more data are gathered during the five-year mission. For more information on Gaia, visit: http://www.esa.int/Gaia Credit: ESA/Gaia/DPAC; Acknowledgement: B. Holl (University of Geneva, Switzerland), A. Moitinho & M. Barros (CENTRA – University of Lisbon), on behalf of DPAC

A virtual journey, from our Solar System through the Milky Way, based on data from the first release of ESA’s Gaia satellite. The journey starts by looking back at the Sun, surrounded by its eight planets. We then move away from the Sun and travel towards and around the Hyades star cluster, the closest open cluster to the Solar System, some 150 light-years away. The 3D positions of the stars shown in the animation are drawn from the Tycho-Gaia Astrometric Solution (TGAS), which combines information from Gaia’s first year of observations with the earlier Hipparcos and Tycho-2 Catalogues, both based on data from ESA’s Hipparcos mission. This new dataset contains positions on the sky, distances and proper motions of over two million stars. It is twice as precise and contains almost 20 times as many stars as the previous reference for astrometry, the Hipparcos Catalogue. The journey continues showing the full extent size of the stars contained in the Tycho-Gaia Astrometric Solution, all relatively near to the Sun, in the overall context of our Milky Way galaxy. The final Gaia catalogue will contain the most detailed 3D map ever made of the Galaxy, charting a billion stars – about 1% of the Milky Way’s stellar content – to unprecedented accuracy. For more information about Gaia, visit: http://www.esa.int/gaia Credit: ESA/Gaia/DPAC; Acknowledgement: S. Jordan & T. Sagristà Sellés (Zentrum für Astronomie der Universität Heidelberg)

Scientists discover a "dark twin" called Dragonfly 44. It has been discovered 300 million light-years away in the Coma constellation. Subscribe To Inform Overload: https://www.youtube.com/user/InformOverload ------------------------------------ STORY LINK: http://cnn.it/2bvorFj ------------------------------------ MAIL US SOMETHING: P.O BOX # 14015 2408 Lakeshore Blvd W. Etobicoke, On M8V4A2 ------------------------------------ CONNECT WITH US: Instagram: http://instagram.com/informoverload Twitter: https://twitter.com/InformOverload Facebook: https://www.facebook.com/InformOverload Website: http://www.informoverload.com iO T-Shirts: http://iostore.spreadshirt.com ------------------------------------ IN THIS VIDEO: Charlotte Dobre: http://instagram.com/charlaychaplin ------------------------------------ VIDEO EDITED BY: Theresa Morozovitch: http://instagram.com/tessatv999

I’ve always struggled to take a good picture of the Milky Way, even though I’ve got pretty good camera gear. My friends Cory and Tanja Schmitz from PhotographingSpace.com give me tips and advice to taking a better Milky Way photo, and then show me what to do in Lightroom and Photoshop to make it even better. Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter: @universetoday Follow us on Tumblr: http://universetoday.tumblr.com/ Like us on Facebook: https://www.facebook.com/universetoday Google+ - https://plus.google.com/+universetoday/ Instagram - http://instagram.com/universetoday

Want to hear something cool? There’s a black hole at the center of the Milky Way. And not just any black hole, it’s a supermassive black hole with more than 4.1 million times the mass of the Sun. It’s right over there, in the direction of the Sagittarius constellation. Located just 26,000 light-years away. And as we speak, it’s in the process of tearing apart entire stars and star systems, occasionally consuming them, adding to its mass like a voracious shark.

As soon as you learn about the supermassive black hole at the center of the Milky Way, your next thought is: is that thing going to destroy our galaxy? In the short term, no, in the long term… maybe? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter: @universetoday Follow us on Tumblr: http://universetoday.tumblr.com/ Like us on Facebook: https://www.facebook.com/universetoday Google+ - https://plus.google.com/+universetoday/ Instagram - http://instagram.com/universetoday Team: Fraser Cain - @fcain Jason Harmer - @jasoncharmer Chad Weber - [email protected] Created by: Fraser Cain and Jason Harmer Edited by: Chad Weber Music: Left Spine Down - “X-Ray” https://www.youtube.com/watch?v=4tcoZNrSveE Want to hear something cool? There’s a black hole at the center of the Milky Way. And not just any black hole, it’s a supermassive black hole with more than 4.1 million times the mass of the Sun. It’s right over there, in the direction of the Sagittarius constellation. Located just 26,000 light-years away. And as we speak, it’s in the process of tearing apart entire stars and star systems, occasionally consuming them, adding to its mass like a voracious shark. Wait, that doesn’t sound cool, that sort of sounds a little scary. Right? Don’t worry, you have absolutely nothing to worry about, unless you plan to live for quadrillions of years, which I do, thanks to my future robot body. I’m ready for my singularity, Dr. Kurzweil. Is the supermassive black hole going to consume the Milky Way? If not, why not? If so, why so? The discovery of a supermassive black hole at the heart of the Milky Way, and really almost all galaxies, is one of my favorite discoveries in the field of astronomy. It’s one of those insights that simultaneously answered some questions, and opened up even more. Back in the 1970s, the astronomers Bruce Balick and Robert Brown realized that there was an intense source of radio emissions coming from the very center of the Milky Way, in the constellation Sagittarius. They designated it Sgr A*. The asterisk stands for exciting. You think I’m joking, but I’m not. For once, I’m not joking. In 2002, astronomers observed that there were stars zipping past this object, like comets on elliptical paths going around the Sun. Imagine the mass of our Sun, and the tremendous power it would take to wrench a star like that around. The only objects with that much density and gravity are black holes, but in this case, a black hole with millions of times the mass of our own Sun: a supermassive black hole. With the discovery of the Milky Way’s supermassive black hole, astronomers found evidence that there are black holes at the heart of every galaxy. At the same time, the discovery of supermassive black holes helped answer one of the big questions in astronomy: what are quasars? We did a whole episode on them, but they’re intensely bright objects, generating enough light they can be seen billions of light-years away. Giving off more energy than the rest of their own galaxy combined. It turns out that quasars and supermassive black holes are the same thing. Quasars are just black holes in the process of actively feeding; gobbling up so much material it piles up in an accretion disk around it. Once again, these do sound terrifying. But are we in any danger? In the short term, no. The black hole at the center of the Milky Way is 26,000 light-years away. Even if it turned into a quasar and started eating stars, you wouldn’t even be able to notice it from this distance. A black hole is just a concentration of mass in a very small region, which things orbit around. To give you an example, you could replace the Sun with a black hole with the exact same mass, and nothing would change. I mean, we’d all freeze because there wasn’t a Sun in the sky anymore, but the Earth would continue to orbit this black hole in exactly the same orbit, for billions of years. Same goes with the black hole at the center of the Milky Way. It’s not pulling material in like a vacuum cleaner, it serves as a gravitational anchor for a group of stars to orbit around, for billions of years. In order for a black hole to actually consume a star, it needs to make a direct hit. To get within the event horizon, which is only about 17 times bigger than the Sun. If a star gets close, without hitting, it’ll get torn apart, but still, it doesn’t happen very often. The problem happens when these stars interact with one another through their own gravity, and mess with each other’s orbits. A star that would have been orbiting happily for billions of years might get deflected into a collision course with the black hole. But this happens very rarely. Over the short term, that supermassive black hole is totally harmless. Especially from out here in the galactic suburbs. But there are a few situations that might cause some problems over vast periods of time.

Vlog 69 - I'm no pro but here is how I shoot the Galaxy, hope it helps! Sonora and I are now in SF and have lots of rad things planned this week. IG/Snap/Vine/Tmbl/Twtr: @andrewtkearns

Space to Scale: The Milky Way. How big do you think the Milky Way galaxy would be if the Sun was 0.0015mm in diameter? Guess by posting in the comments before you see the answer! To my subscribers, this is a re-edit/reupload. Previously I had the measurement down of the Sun as 14um which is about one decimal place wrong. I wanted to reupload as there was too much to be changed and I couldn't fix it all with annotations. Also, thanks to those of you that picked up the mistake in the first place. If you don't believe this scale is correct, then please watch this video I have just produced explaining the maths behind these videos: https://goo.gl/oGgzYV SUBSCRIBE for more videos about our planets and more. Subscribe! http://goo.gl/WX4iMN Facebook! http://goo.gl/uaOlWW Twitter! http://goo.gl/VCfejs Donate! http://goo.gl/GGA5xT Other videos in the series: https://goo.gl/DILsN0 Credit for the images - NASA/JPL, Google, Discovery and ESO. Music Credit - Anima - Love Again https://soundcloud.com/animassound/convalescence-ii-love-again

Black holes are more common than you may think. There’s even one in our galaxy. Close enough for scientists to actually observe its destructive nature. Produced by Kevin Reilly and Rebecca Harrington Read more: http://www.techinsider.io/ FACEBOOK: https://www.facebook.com/techinsider TWITTER: https://twitter.com/techinsider INSTAGRAM: https://instagram.com/tech_insider/ TUMBLR: http://techinsider.tumblr.com/

Here is relaxing 360 V.R. timelapse video of the Milky Way moving through the night sky and a weak Aurora over Knob Lakes near Glacierview, Alaska on April 1, 2016. Enjoy and share!

Support Kids Learning Tube by becoming a Patreon today at the link below! You can vote for the video of the week, get your name int he credits and support something you believe in! https://www.patreon.com/kidslearningtube Milky Way Galaxy/Milky Way for Kids Learn about our Milky Way Galaxy with this fun animated learning video and catchy song. And don't forget to sing along! Facebook: https://www.facebook.com/kidslearningtube Subscribe: http://www.youtube.com/c/kidslearningtube Tweet Us: https://twitter.com/learningtube Instagram: https://instagram.com/kidslearningtube Add us on Google+: https://plus.google.com/+KidsLearning... Music: Copyright 2016 Kids Learning Tube Video: Copyright 2016 Kids Learning Tube LYRICS: I am the Milky Way Galaxy look in the night sky Too see a part of me I am the Milky Way Galaxy Your solar systems just a tiny part of me The Milky Way name came from a Greek goddess named Hera Who spilled milk across the sky Greeks believed in that era When you look at the darkest sky on a clear summers night And you see the image of the Milky way clear in site Remember you can only see a small part of me called the Galactic Core In my galaxy Astronomers can’t look at me from out side the galaxy Because I’m so massive and you don’t have the technology Based on other galaxy’s we see out side of our own Is why we conclude that our galaxy’s spiraled as I’m shown When you look at a side view of the mIlky way here You see me as a flat disk with a Bulge center I appear I am the Milky Way Galaxy look in the night sky Too see a part of me I am the Milky Way Galaxy Your solar systems just a tiny part of me I was born about 13.6 Billion years ago That's a hypothesis given from astronomers though I am 100,000 light years in diameter That's an estimate given by NASA though they can’t be sure Your Solar system’s This tiny dot that you see right here Astronomers think the Orion Spur’s where your system appears Your systems guest to be 25,000 light years From the galactic center of the milky way shown here About 230 million years is what your system takes To orbit once around the milky way’s center’s cool shape 200 to 400 billion stars live in me that's an estimate only based on our astronomy Over 100 Billion planets might exist in me Maybe some day you can see them in the galaxy I am the Milky Way Galaxy look in the night sky Too see a part of me I am the Milky Way Galaxy Your solar systems just a tiny part of me Lets take a look at all the parts that you think I’m made of We’ll start by looking down at the galaxy from above The Galactic Cores the rotational center you can’t see because of interstellar dust It can not be studied it’s believed the center is a super massive black hole When Astronomers find out more then I will let you know You’ll notice a Galactic bar and also the Long Bar Then the 3kpc Arms There is a Near and there’s a Far Then we have the Sagittarius and the Norma Arms Then the Orion Spur Where your solar system spins on The Scutum-Centaurus and Perseus Arm Are two major spirals and full of the galaxy’s charm Finally the Outer Arm and The New Outer Arm Are the final Spirals I will mention in this song I am the Milky Way Galaxy look in the night sky Too see a part of me I am the Milky Way Galaxy Your solar systems just a tiny part of me I am the Milky Way Galaxy look in the night sky Too see a part of me I am the Milky Way Galaxy Your solar systems just a tiny part of me -~-~~-~~~-~~-~- Please watch: "Greece/Greece Country/Greece Geography" https://www.youtube.com/watch?v=qJPS6qTVUYc -~-~~-~~~-~~-~-

More space news and info at: http://www.coconutsciencelab.com - this video starts with a view of the Milk Way and zooms in onto the center of our home galaxy as it was observed by the NASA/ESA Hubble Space Telescope. Peering deep into the heart of our home galaxy, the Milky Way, the NASA/ESA Hubble Space Telescope reveals a rich tapestry of more than half a million stars. Apart from a few, blue, foreground stars, almost all of the stars pictured in the image are members of the Milky Way nuclear star cluster, the densest and most massive star cluster in the galaxy. Hidden in the center of this cluster is the Milky Way’s resident supermassive black hole. The center of the Milky Way, 27,000 light-years away in the constellation of Sagittarius, is a crowded place. This region is so tightly packed that it is equivalent to having one million stars crammed into the volume of space between us and Alpha Centauri, located 4.3 light-years away. At the very hub of our galaxy, this dense nuclear star cluster surrounds the Milky Way’s central supermassive black hole, known as Sagittarius A*, which alone is about four million times the mass of the Sun. Sagittarius A* is not the only mystery lurking in this part of the galaxy. The crowded center contains numerous objects that are hidden at visible wavelengths by thick clouds of dust in the galaxy’s disk. In order to truly understand the central part of our galaxy astronomers used the infrared vision of Hubble to peer through this obscuring dust. To reveal the image in all its glory the scientists then assigned visible colors to the different wavelengths of infrared light, which is invisible to human eyes. The blue stars in the image are foreground stars, which are closer to Earth than the nuclear star cluster, while the red stars are either behind much more intervening dust, or are embedded in dust themselves. Some extremely dense clouds of gas and dust are seen in silhouette, appearing dark against the bright background stars. These clouds are so thick that even Hubble’s infrared capability cannot penetrate them. In addition to the stars hidden by the dust, astronomers estimate that there are about 10 million stars in the cluster which are too faint to see, even for Hubble. Please rate and comment, thanks! Credit: Risinger, Guisard, ESO, ESA/Hubble

Let PBS know what type of digital series you'd like to see by taking this survey: https://www.surveymonkey.com/r/pbsds2016 Why does our universe make spheres and disks? Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Our universe is not a very diverse place when it comes to shapes. Large celestial bodies become spheres, galaxies become discs, and there is little room for variation. Why is this? Well it turns out physics has some pretty strict rules when it comes to creating new planetary bodies. On this week's Space Time, we explore equillibrium and symmetry, the two defining factors that shape our universe. _____________________ COMMENTS: Felix Ironfist https://www.youtube.com/watch?v=JDmKLXVFJzk&lc=z12dwzk4iquld5g0323uivizxm2xxxdk2 Florent POUJOL https://www.youtube.com/watch?v=JDmKLXVFJzk&lc=z13pcn3rgpzxexgym04cfbeokpeaspzidjw Reuben Silva https://www.youtube.com/watch?v=JDmKLXVFJzk&lc=z12bcv4w0muzd3ihm04cchbp0s3kyjpj3p00k Dom Vasta https://www.youtube.com/watch?v=JDmKLXVFJzk&lc=z13ns1kqdw2kf5bzm04ccd4arybjvvvgcow0k ______________________ Written and hosted by Matt O'Dowd Made by Kornhaber Brown (www.kornhaberbrown.com)

The vast expanse of our Universe is almost incomprehensible! Let's have a look at the most interesting facts about a small part of it in The Milky Way In Numbers. This video was a collaboration with Slapped Ham. Check out their ' 10 Most Convincing UFO Sightings Here': https://youtu.be/YeRhQ8ADL0M Subscribe to Alltime Numbers: http://bit.ly/1fjuLEn --------------- Watch more Alltime Numbers here: - Mars In Numbers: https://www.youtube.com/watch?v=ftyaiTMiOyo - The End Of The World In Numbers: https://www.youtube.com/watch?v=g4il2C9xCCw - Space In Numbers: https://www.youtube.com/watch?v=87osbuJQ9pk --------------- Connect with Alltime Numbers: Facebook: http://on.fb.me/1kH88l6 Twitter: http://bit.ly/1fjh0Wh Google+: http://bit.ly/1k9Rc3X ---------------

Sometimes galaxies eat each other! It's actually pretty common. And it turns out that our own galaxy, the Milky Way, is pretty hungry. Annotation: The Great Attractor: https://youtu.be/N9qeOhJ9dbg Thumbnail Credit: NASA, ESA, the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration, and A. Evans (University of Virginia, Charlottesville/NRAO/Stony Brook University) ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Chris Peters, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, and Kathy & Tim Philip. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/SciShow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.bbc.com/earth/story/20151113-oldest-known-stars-found-at-the-centre-of-milky-way http://www.nasa.gov/mission_pages/hubble/science/hd140283.html https://astronomynow.com/2015/02/28/astronomers-find-newborn-stars-at-the-edge-of-the-galaxy/ http://www.universetoday.com/89086/galactic-cannibalism/ http://astronomy.swin.edu.au/cosmos/h/hierarchical+merging http://astronomyonline.org/Cosmology/GalaxyMergers.asp http://futurism.com/ic-1101-the-largest-galaxy-ever-found/ http://www.space.com/25959-how-many-stars-are-in-the-milky-way.html http://www.space.com/13815-milky-sagittarius-dwarf-galaxy-star-streams.html http://apod.nasa.gov/apod/ap071104.html http://www.universetoday.com/9003/closest-galaxy-discovered/ http://www.icrar.org/home/monster-galaxies-gain-weight-by-eating-smaller-neighbours https://www.sdss3.org/press/20111130.fourtails.php http://www.whillyard.com/science-pages/superclusters.html http://hyperphysics.phy-astr.gsu.edu/hbase/forces/isq.html http://www.cosmotography.com/images/galaxy_cannibalism.html http://www.abc.net.au/science/articles/2014/09/12/4086388.htm http://news.discovery.com/space/astronomy/more-evidence-of-galactic-cannibalism-130225.htm Images: https://en.wikipedia.org/wiki/File:Artist%27s_impression_of_the_Milky_Way_(updated_-_annotated).jpg http://www.nasa.gov/image-feature/active-regions-on-the-sun https://commons.wikimedia.org/wiki/File:Small_magellanic_cloud.jpg https://en.wikipedia.org/wiki/File:Andromeda_Galaxy_(with_h-alpha).jpg http://www.eso.org/public/images/eso0919a/ https://commons.wikimedia.org/wiki/File:5_Local_Galactic_Group_(ELitU).png https://en.wikipedia.org/wiki/File:Messier_87_Hubble_WikiSky.jpg https://commons.wikimedia.org/wiki/File:Cepheus_B.jpg http://photojournal.jpl.nasa.gov/catalog/PIA16216 http://hubblesite.org/newscenter/archive/releases/galaxy/2008/16/image/aa/

The Milky Way is our home galaxy. It can be seen in the sky if the night is dark enough, a cloudy white stripe of stars too far to be seen individually with the naked eye. Our Solar System is only a small piece of the enormous galaxy in which we live! Like this video if you want to see more videos about SPACE! Subscribe to FreeSchool: https://www.youtube.com/user/watchfreeschool?sub_confirmation=1 Visit us on Facebook: https://www.facebook.com/watchFreeSchool Check our our companion channel, FreeSchool Mom! https://www.youtube.com/channel/UCTcEtHRQhqiCZIIb77LyDmA And our NEW channel for little ones, FreeSchool Early Birds! https://www.youtube.com/channel/UC3OV62x86XHwaqsxLsuy8dA Music: Jaunty Gumption, Darkest Child - Kevin MacLeod (incompetech.com) Footage and images courtesy of NASA, the ESA, the ESO, and the Hubble Space Telescope. Thank you!

The Andromeda Galaxy and the Milky Way will eventually collide and merge into an elliptical galaxy known as the Milkdromeda. The video is about how we will see it from the earth.

More space news and info at: http://www.coconutsciencelab.com - astronomers using the VISTA telescope at ESO’s Paranal Observatory have discovered a previously unknown component of the Milky Way. By mapping out the locations of a class of stars that vary in brightness called Cepheids, a disk of young stars buried behind thick dust clouds in the central bulge has been found. This video shows the locations of the newly discovered Cepheids (red dots) in an artist’s rendering of the Milky Way. Please rate and comment, thanks! Credits: European Southern Observatory, Microsoft Worldwide Telescope

An international team of astronomers has discovered a previously unknown component of the Milky Way – a thin disk of variable stars hidden in the galactic bulge. The observations, made using the ESO's Visible and Infrared Survey Telescope for Astronomy (VISTA) telescope conflict with current theories regarding the composition of the center of our galaxy. As we understand it, the Milky Way is a barred spiral galaxy, with four main spiral arms extending from a galactic core with a supermassive black hole known as Sagittarius A at its heart. Earth sits roughly two thirds out from the center of the Milky Way in the Orion Spur, an offshoot of the Perseus spiral arm. Our view to the galactic center is obscured by vast choking clouds of dust and gas, which hamper our efforts to form a unified view of the Milky Way. Therefore, the potential discovery of a new galactic component in spite of these impediments is of great importance in understanding the characteristics and evolution of the vast cosmic structure that we call home. Astronomers used the VISTA telescope's infrared imaging capabilities to peer through the clouds of dust and gas that would ordinarily mask the interior of our galaxy, capturing multiple shots of the central region of the Milky Way in order to search for variable stars known as Cepheids. Cepheids are stars that fluctuate dramatically in observable brightness of the course of days, or months, as they expand and contract. It has been discovered that, by observing the rhythmic fluctuations of one of the unusual stellar bodies, that astrophysicists can estimate the star's age. Variable stars like Cephids are particularly useful tools for astronomers attempting to trace out vast galactic structures, as the relatively well understood precise nature of the pulsations allow scientists to accurately discern their distance relative to Earth. In all, VISTA sampled 655 Cephids in the galactic bulge, of which 35 were found to belong to a subgroup known as Classical Cepheids, which in turn where discovered to be significantly younger than their more prevalent cousins. “All of the 35 classical Cepheids discovered are less than 100 million years old" states co-author of a paper on the research, Dante Minniti, of the Universidad Andres Bello, Santiago, Chile. "The youngest Cepheid may even be only around 25 million years old, although we cannot exclude the possible presence of even younger and brighter Cepheids,” The team then used the accurately defined positions of the Cepheids to trace out the position of a thin disk of younger stars residing in the central bulge – an entirely new component for our galactic model. Furthermore, the relative youth of these stars shakes up the current model we have the Milky Way, which dictates that the galactic bulge consists of enormous quantities of very ancient stars. Instead, the results of the study hint at a previously undetected source creating new, young stars for the past 100 million years. Moving forward, the team hopes to establish whether the newly detected stars where born in their presently observed locations, or whether they migrated inward from regions outside of the galactic bulge.

Astronomers using the VISTA telescope at ESO’s Paranal Observatory have discovered a previously unknown component of the Milky Way. By mapping out the locations of a class of stars that vary in brightness called Cepheids, a disc of young stars buried behind thick dust clouds in the central bulge has been found. This video shows the locations of the newly discovered Cepheids (red dots) in an artist’s rendering of the Milky Way. More information: http://www.eso.org/public/videos/eso1542b/ Credit: ESO/Microsoft Worldwide Telescope