The Andromeda-Milky Way Collision | Space Time
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?
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Scientists Have Detected the First Stars
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.
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Milky Way is as big as Andromeda - SpaceTime with Stuart Gary S21E16
*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
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A new study warns hackers could take control of patient’s pacemaker.
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The Milky Way May Not Be Devoured After All
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.
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A Tour of J0045+41 in M31
The term “photobomb” means for someone or something to unexpectedly appear in an image. While this is generally used for pictures of celebrities or selfies with friends, it turns out that the universe can have photobombs as well.
A new result using data from NASA’s Chandra X-ray Observatory and ground-based optical telescopes reveals a photobomb in the nearby Andromeda galaxy. While looking for other types of objects, a team of researchers from the University of Washington noticed one particularly unusual source in this sister spiral galaxy to the Milky Way. While previous scientists had classified this object, known as J0045+41, as a pair of orbiting stars within Andromeda, the researchers decided to take a closer look.
They discovered that J0045+41 was not in Andromeda at all. Instead, J0045+41 was about a thousand times farther away at a distance of some 2.6 billion light years from Earth. They also used the X-ray and optical data to uncover that this was not a pair of stars, but may instead be a duo of supermassive black holes. The researchers estimated that these black holes together contain about 200 million times the mass of the Sun, yet were separated by less than one hundredth of one light year. By comparison, the nearest star to the Sun is over four light years away.
They might take cameras bigger than your smartphone’s and instruments that are in space, but the photobombs from the cosmos can be just as entertaining --and even informative.
A Quick Look at J0045+41 in M31
Astronomers have discovered a cosmic photobomb in the Andromeda galaxy.
Scientists previously thought this source was in Andromeda, but now they know it is not.
This object is actually 1,000 times farther away than Andromeda at a distance of about 2.6 billion light years.
Not only is it much more distant, it may contain two giant black holes in very close orbit around one another.
Scientists used data from NASA’s Chandra X-ray Observatory and optical telescopes on the ground to identify this unexpected member in Andromeda’s images.
This distant black hole pair could have formed when two galaxies, each containing a supermassive black hole, merged billions of years ago.
How to Find The Great Andromeda Galaxy
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Have you ever wondered how you can find the Andromeda Galaxy with your naked eye? It's actually not that hard and is readily visible in the Fall Night Sky.
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Andromeda and Milky Way Collision: EXPLAINED
There's so many cool simulations out there but I just watched this one recently and thought it was cool!
Comment a cool topic you guys want me to chat about next!!
As always thanks for watching !!
Let's Photograph the Andromeda Galaxy
I've just returned from a memorable deep sky astrophotography camping trip with Rudy.
Using the new WIlliam Optics Zenithstar 61 APO, I captured over 2 hours worth of total exposure time on the Andromeda Galaxy.
William Optics Z61 Information: http://www.ontariotelescope.com/product.asp?itemid=1364&Affid=2
The telescope and Canon DSLR were mounted to an iOptron SkyGuider Pro camera mount to track the night sky.
My final image includes 70 x 2-minute images at ISO 1600. 40 Dark calibration frames were used to help reduce noise.
Andromeda Galaxy Photo Details:
Total Exposure: 2 Hours, 18 Minutes (70 Frames)
120-second exposures at ISO 1600
Camera: Canon Rebel T3i/600D (full spectrum mod)
Telescope: William Optics Zenithstar 61 APO
Mount: iOptron SkyGuider Pro
Polaroid Remote Shutter Cable: http://amzn.to/2gn5Qxs
My full deep-sky rig (ED102) was used for visual observations and a future deep-sky imaging project (Iris Nebula).
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Andromeda Galaxy (M31) in Color
I captured 3.9 hours on the Andromeda Galaxy, enough for a color image. I may still capture more data on this deep sky object - I haven't decided yet. Here is more info:
Andromeda Galaxy (M31)
Orion ED80T CF Triplet Apochromatic Refractor (480mm focal length)
ZWO ASI 1600MM-Cool (mono)
CLS=125x60s, Red=40x60s, Green=40x60s, Blue=29x60s
Total Exosure Time:
Gain: 0, Offset: 10
ZWO 280mm Focal Length
Darks: 50, Bias: 50, Flats: 50
Sequence Generator Pro (SGP)
Dew Shield, Dew Heater Strip
Milky Way and Andromeda collision
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.
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Scientists Have Found Signs Of Possible Dark Matter In Neighboring Galaxy
Scientists studying data gathered by NASA’s Fermi Gamma-ray Space Telescope may have come upon signals in the Andromeda Galaxy that are tied to dark matter.
The Andromeda Galaxy Is Coming To Get Us
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In 4 billion years, the Milky Way and Andromeda galaxies will collide. When that happens, the black hole in the center of our galaxy will merge with another creating a supermassive black hole that will weigh 100 million solar masses.
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Milky Way and Andromeda Galaxy collision
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/
Sharpest ever view of the Andromeda Galaxy
On January 5th, 2015 the NASA/ESA Hubble Space Telescope released the biggest image ever taken of the Andromeda Galaxy... The resulting image is 69,536x22,230 pixels... a total of 1.5 billion pixels, requiring 4.3GB of disk space. It provides a startling glimpse at the sheer scale of our nearest galactic nieghbor... Download image here:
SPITZER TELESCOPE: OBSERVING THE ANDROMEDA GALAXY
The Andromeda Galaxy, also known as Messier 31, M31, or NGC 224, is a spiral galaxy approximately 780 kiloparsecs from Earth. It is the nearest major galaxy to the Milky Way and was often referred to as the Great Andromeda Nebula in older texts.
How to Find Andromeda in the Night Sky
Want to see more of Andromeda, but not quite ready to take the journey?
You're in luck, because you can see Andromeda right here from the comfort of planet Earth. Using only a telescope and a pair of binoculars, we'll show you how to spot our nearest galactic neighbor on a clear night. No telescope? That's okay. Andromeda is large enough to see with the naked eye.
Thanks to the Edmonton chapter of the Royal Astronomical Society of Canada for the telescope. http://edmontonrasc.com
Ep #4 - Capturing M31, The Andromeda Galaxy (DSLR Astrophotography)
Read & See more about our night capturing M31: https://www.galactic-hunter.com/blog/m31-the-andromeda-galaxy
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Galactic Hunter takes you on mysterious adventures to other worlds. Whether we are visiting planets, galaxies, nebulae, comets, or star clusters, the goal of Galactic Hunter is to teach you astronomy through one of the most rewarding hobbies: Astrophotography. Join my wife and I in our galactic adventures, and question everything you know about what lays outside of our little world.
Do not forget to vote for the next target in the comments, and visit the website where you can see a gallery of our older captures.
Thanks to Nasa/ESA/Hubble for their 3D animations.
Full list of our equipment used in our videos:
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Orion Atlas Q-G Computerized GoTo Mount - http://amzn.to/2vOerv3
Orion 8” f/3.9 Newtonian Astrograph Reflector - http://amzn.to/2gng3WV
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A TOUR OF THE ANDROMEDA GALAXY
The Andromeda Galaxy, also known as Messier 31, M31, or NGC 224, is a spiral galaxy approximately 780 kiloparsecs from Earth.
Credit: NASA GODDARD
Andromeda Galaxy Photographed With Orion ShortTube 80 (ST80)
This is Messier 31 (M31) - the Andromeda Galaxy. I photographed it on 9/11/2016. My Celestron 8SE has too much zoom, even with a focal reducer, so I used my Orion ShortTube 80 guide scope to capture the galaxy. The ST80 performed well enough, considering the moon was at 74% illumination. 212 raw frames were captured and stacked, along with 25 darks and bias images. Each exposure was 15 seconds with an ISO level of 1600. Here is more information below:
OTA: Orion ShortTube 80 (ST80)
Mount: Celestron Advanced VX (AVX)
Guiding telescope: No autoguiding
Guiding camera: None
Guiding software: None
Imaging Camera: Nikon D5300
Polar Alignment Camera: QHYCCD PoleMaster
Post-processing: DeepSkyStacker, PixInsight, Adobe Lightroom
Perseid meteor shower radiant and Andromeda galaxy timelapse
short timelapse of the perseids before peaking on august 12th.
andromeda and the double cluster( NGC 869 and NGC 884) are also in the field of view.
location: Dalmsholte ,Netherlands
-perseid meteor showers apear to streak out of the constellation perseus.
music : kevin macleod - lasting hope
The Secrets of the Andromeda Galaxy
Astro News 101 proudly presents 'The Secrets of the Andromeda Galaxy'. Our third video!
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Our Galaxy Is on a Collision Course with Andromeda
Evidence shows that the Andromeda Galaxy is headed straight for our own. In the next few billion years, the two will collide and ultimately form a new super galaxy. Will our solar system survive this process?
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5 Incredible Facts About The Andromeda Galaxy
Andromeda is 2.5 million years away and yet when we look up at the night sky chances are you can see it with your naked eye. What do we know about this .
Check out these Amazing facts about our massive neighbor Andromeda! **REMEMBER TO SUBSCRIBE FOR MUCH MORE TO COME** FʘLLʘW THE .
Newer version at Text at In this segment of our How far away is it video book, we cover the .
Today, Vahro takes you on a journey through the history and known info about the setting of Mass Effect: Andromeda. While not much known is known about the .
What does the Andromeda galaxy look like through a telescope?
Andromeda galaxy M31 looks like a dim, fuzzy star to the naked eye, and like a small elliptical cloud through binoculars. Through a telescope the Andromeda galaxy looks quite diffuse and it is possible to observe Andromeda's satellite galaxies M32 and M110.
BBC Documentary History | National Geographic : Milky Way Galaxy - Universe documentary
BBC Documentary History | National Geographic : Milky Way Galaxy - Universe documentary
Andromeda Galaxy and Milky Way collision seen from Earth
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.
5 Incredible Facts About The Andromeda Galaxy
Check out these Amazing facts about our massive neighbor Andromeda!
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The Andromeda Galaxy is a spiral galaxy approximately 2.5 million light-years from Earth. It is the nearest major galaxy to the Milky Way and It gets its name from the area of the sky in which it appears, the constellation of Andromeda, which was named after the Greek mythological princess Andromeda. So next time you look up at the nights sky and see the distant glimmer of the extragalactic stars, remember these 5 fascinating facts about the Andromeda galaxy!
1 - Andromeda can be seen with the unaided eye, which has meant that it has been known since ancient times. On a clear night with little light pollution, it can be seen as a diffuse blur, with the central region clearly visible through a good pair of binoculars. Larger telescopes provide even more-spectacular views of this impressive galaxy.
2 - Andromeda is the biggest galaxy by volume, it contains around twice the number of stars than our galaxy, the Milky Way, which has around 200-400 billion. Not only does it have a lot more stars than ours, Andromeda is enormous, with a diameter of around 220,000 light years across, which is nearly 1 and half times longer than the Milky Way.
3 - Because Andromeda is so visible on a clear night, astronomers have studied its history for decades. It is estimated to of been born 10 billion years ago out of the merger of many smaller proto galaxies and then, around 8 billion years ago, it collided with another galaxy to form the giant that we see today.
4 - Like our own galaxy, there’s also a super massive black hole at the centre of Andromeda, with two others possibly orbiting as a binary, with a mass around 140 million times that of the Sun. Dozens of smaller black holes are also believed to lye in the centre and many more have been picked out by the Chandra X-ray Observatory though out the galaxy.
5 - Our neighboring galactic bully is on another collision course, but this time with us. Both the Milky Way and Andromeda are moving towards each other at a rate of 75 miles a second, when the collision has been completed, they will merge to form a giant elliptical galaxy. However this is estimated to happen in around 3.75 billion years from now. So nobody has to panic for a low time.
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Science Casts - Andromeda vs. the Milky Way
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Nasa Video - Zooming in to Andromeda
Aimei Kutt - Blackhole
Hubble Finds Giant Halo Around the Andromeda Galaxy
The Andromeda galaxy is our Milky Way's nearest neighbor in space. The majestic spiral of over 100 billion stars is comparable in size to our home galaxy. At a distance of 2.5 million light-years, it is so close to us the galaxy can be seen as a cigar-shaped smudge of light high in the autumn sky.
But if you could see the huge bubble of hot, diffuse plasma surrounding it, it would appear 100 times the angular diameter of the full Moon!
The gargantuan halo is estimated to contain half the mass of the stars in the Andromeda galaxy itself. It can be thought of as the "atmosphere" of a galaxy. Astronomers using Hubble identified the gas in Andromeda's halo by measuring how it filtered the light of distant bright background objects called quasars. It is akin to seeing the glow of a flashlight shining through a fog.
This finding promises to tell astronomers more about the evolution and structure of one of the most common types of galaxies in the universe.
Please join +Tony Darnell Dr.+Carol Christian and +Scott Lewis as they discuss this latest finding from #Hubble with the astronomers who made the observations.
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Everything We Know About The Andromeda Galaxy
Andromeda is 2.5 million years away and yet when we look up at the night sky chances are you can see it with your naked eye. What do we know about this neighboring galaxy?
Andromeda Galaxy Is Surrounded by a Supersized Gas Halo
"One of the Milky Way's closest galactic neighbors is surrounded by a much bigger halo of gas than previously thought, new observations from the Hubble Space Telescope reveal."
Hubble's High-Definition Panoramic View of the Andromeda Galaxy
"The largest NASA Hubble Space Telescope image ever assembled, this sweeping bird's-eye view of a portion of the Andromeda galaxy (M31) is the sharpest large composite image ever taken of our galactic next-door neighbor."
Andromeda Galaxy Will Collide With Milky Way
"Andromeda galaxy will actually collide with the Milky Way in about 2 billion years, according to the most recent Hubble Space Telescope measurements of the motion of Andromeda and the Milky Way."
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REACTING TO ANDROMEDA GALAXY
Last week Nasa released this incredible image taken from the Hubble telescope. It blew my brain.
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Why Is Andromeda Coming Towards Us? If Everything is Expanding Away From Each Other
I don't want to alarm you, but there's a massive galaxy heading our way and will collide with us in a few billion years. But aren't most galaxies speeding away? Why is Andromeda on a collision course with the Milky Way?
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Left Spine Down - “X-Ray”
I don’t want to freak you out, but you should be aware that there’s a gigantic galaxy with twice our mass headed right for us. Naw, I’m just kidding. I totally want to freak you out. The Andromeda galaxy is going to slam head first into the Milky Way like it doesn't even have its eyes on the road. This collision will tear the structure of our galaxy apart. The two galaxies will coalesce into a new, larger elliptical galaxy, and nothing will ever be the same again, including your insurance premiums. There’s absolutely nothing we can do about it. It’s like those “don’t text and drive commercials” where they stop time and people get out and have a conversation about their babies and make it clear that selfish murderous teenagers are really ruining everything for all of us all the time. And now that we know disaster is inbound, all we can do is ask WHY? Why this is even happening? Isn't the Universe expanding, with galaxies speeding away from us in all directions? Shouldn't Andromeda be getting further away, and not closer? What the hay, man! Here’s the thing, the vast majority of galaxies are traveling away from us at tremendous speed. This was the big discovery by Edwin Hubble in 1929. The further away a galaxy is, the faster it’s moving away from us. The most recent calculation by NASA in 2013 put this amount at 70.4 kilometers per second per megaparsec. At a billion light-years away, the expansion of the Universe is carrying galaxies away from us at 22,000 km/s, or about 7% of the speed of light. At 100 million light-years away, that speed is only 2,200 km/s. Which actually doesn't seem like all that much. Is that like Millenium Falcon fast or starship Enterprise Warp 10 fast? Andromeda is only 2.5 million light-years away. Which means that the expansion of the Universe is carrying it away at only 60 kilometers per second. This is clearly not fast enough for our purposes of not getting our living room stirred into the backyard pool. As the strength of gravity between the Milky Way and Andromeda is strong enough to overcome this expansive force. It’s like there’s an invisible gravity rope connecting the two galaxies together. Dragging us to our doom. Curse you, gravity doom rope! Andromeda is speeding towards us at 110 kilometers per second. Without the expansion of the Universe, I’m sure it would be faster and even more horrifying! It’s the same reason why the Solar System doesn't get torn apart. The expansion rate of the Universe is infinitesimally small at a local level. It’s only when you reach hundreds of millions of light-years does the expansion take over from gravity.
You can imagine some sweet spot, where a galaxy is falling towards us exactly as fast as it’s being carried away by the expansion of the Universe. It would remain at roughly the same distance and then we can just be friends, and they don’t have to get all up in our biz. If Andromeda starts complaining about being friend-zoned, we’ll give them what-for and begin to re-evaluate our friendship with them, because seriously, no one has time for that.
The discovery of dark energy in 1998 has made this even more complicated. Not only is the Universe expanding, but the speed of expansion is accelerating. Eventually distant galaxies will be moving faster away from us than the speed of light. Only the local galaxies, tied together by gravity will remain visible in the sky, eventually all merging together. Everything else will fall over the cosmic horizon and be lost to us forever. All things in the Universe are speeding away from us, it’s just that gravity is a much stronger force at local levels. This is why the Solar System holds together, and why Andromeda is moving towards us and in about 4 billion years or so, the Andromeda galaxy is going to slam into the Milky Way.
Zooming in on the Andromeda Galaxy
This video begins with a ground-based view of the night sky, before zooming in on a Hubble image of the Andromeda galaxy — otherwise known as M31.
The new Hubble image of the galaxy is the biggest Hubble image ever released and shows over 100 million stars and thousands of star clusters embedded in a section of the galaxy’s pancake-shaped disc stretching across over 40 000 light-years.
More information and download options:
NASA, ESA, Digitized Sky Survey 2, N. Risinger (Skysurvey.org), J. Dalcanton (University of Washington, USA), B. F. Williams (University of Washington, USA), L. C. Johnson (University of Washington, USA), the PHAT team, and R. Gendler.
Hubble's Andromeda Galaxy Image Shows Over 100 Million Stars | Video
In the largest image taken of the galaxy by the space telescope, stars and thousands of star clusters can be seen "embedded in a section of the galaxy’s pancake-shaped disc." The image encompasses over 40,000 light years. Full Story: http://goo.gl/k3Wlz4
Astrophotography Processing M31 Step by Step
I show details on processing M31 Andromeda Galaxy. I use MaximDL, Nebulosity, Fits Liberator, & Photoshop is these steps. I also show examples of Dithering your image. You can download the NGC884 and M31 data set to practice these steps yourself.
Google CS2 Download
Astronomy Tools Download:
Fits Liberator Download:
M31 & NGC884 Image Data (1.6GB Download):
http://goo.gl/URcPtE (If this link doesn't work try the one below)
Note These Images Were Taken with an Orion StarShootPro camera. Helpful for converting to Color.
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Our New Galactic Neighborhood, and a Tar Comet?
SciShow Space shares the latest news from around the universe, including new insights into the giant supercluster of galaxies that we call home, and the first “data baby” from Rosetta’s rendezvous with a comet.
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Why is Andromeda Drifting Towards Us?
In a Universe that's expanding apart, isn't it strange that Andromeda is actually drifting towards us? Dr. Thad Szabo from Cerritos College explains why this is happening.
Why Do Galaxies Have Arms?
Spiral galaxies get their name because of their beautiful spiral shape and iconic arms. But why do galaxies have these spiral shapes, and what causes the arms?
What's The Brightest Thing In the Universe?
Follow Michael Stevens for neat stuff: http://www.twitter.com/tweetsauce
music by http://www.youtube.com/JakeChudnow
SixtySymbols video on new black hole theory: http://www.youtube.com/watch?v=RXTGInIbD_Q
"How Hot Can it Get?" Vsauce video: http://www.youtube.com/watch?v=4fuHzC9aTik
"What Will We Miss?" Vsauce video: http://www.youtube.com/watch?v=7uiv6tKtoKg
Yin Yang blackhole art (made by https://twitter.com/guylar ): http://imgur.com/IpD5L4l
Roman 'Yin Yang': http://en.wikipedia.org/wiki/Notitia_Dignitatum
Sun and lightbulb:
most luminous stars: http://en.wikipedia.org/wiki/List_of_most_luminous_stars
gamma ray bursts:
Most luminous BLAZAR: http://www.caha.es/the-most-luminous-quasar-state-ever-observed.html
ACTIVE GALACTIC NUCLEI: http://en.wikipedia.org/wiki/Active_galaxy
Neil Degrasse Tyson book: http://www.amazon.co.uk/Death-Black-Hole-Cosmic-Quandaries/dp/0393330168
Thierry Cohen art: http://www.danzigergallery.com/artists/thierry-cohen
LA blackout: http://www.pbs.org/seeinginthedark/astronomy-topics/light-pollution.html
What Will We Miss?
Follow Michael Stevens for MORE: http://www.twitter.com/tweetsauce
LINKS AND SOURCES BELOW
When was I conceived? http://www.whenwasiconceived.com
Another conception calculator if the above link is down: http://www.paulsadowski.com/Birthday.asp
(you can also Google "conception calculator" and find a bunch)
Birthday star calculator: http://outreach.jach.hawaii.edu/birthstars/year.php
Zeitpyramide / Time Pyramid: http://en.wikipedia.org/wiki/Time_pyramid
Time Pyramid today VIDEO: https://www.youtube.com/watch?v=8ggB7HQyRZ8
Awesome Kraftwerk preformance of "Radioactivity": http://www.youtube.com/watch?v=0EBTn_3DBYo
Supernova viewed from Earth simulation VIDEO: https://www.youtube.com/watch?v=dtWeH4-Ugy4
Eta Carinae: http://en.wikipedia.org/wiki/Eta_Carinae
Andromeda and Milky Way collision:
FOMO (Fear Of Missing Out):
Fate of Niagara Falls, Mt. Rushmore, and total solar eclipses: http://en.wikipedia.org/wiki/Timeline_of_the_far_future
Saturn's rings in the future: http://www.bobthealien.co.uk/satring.htm
a photon's path out of the sun: http://www.astro.cornell.edu/share/sharvari/websiteV7/Etransport.htm
Jake Chudnow: http://www.youtube.com/jakechudnow
Nearby Andromeda Galaxy is Full of Black Holes | NASA Chandra Space Science HD
Visit my website at http://www.junglejoel.com - astronomers using the Chandra X-Ray telescope are discovering black holes in the nearby Andromeda galaxy. Please rate and comment, thanks!
Milky Way's Head On Collision
This animation depicts the collision between our Milky Way galaxy and the Andromeda galaxy. Hubble Space Telescope observations indicate that the two galaxies, pulled together by their mutual gravity, will crash together about 4 billion years from now. Around 6 billion years from now, the two galaxies will merge to form a single galaxy. The video also shows the Triangulum galaxy, which will join in the collision and perhaps later merge with the Andromeda/Milky Way pair.
Visualization Credit: NASA, ESA, and F. Summers (STScI)
Simulation Credit: NASA, ESA, G. Besla (Columbia University), and
R. van der Marel (STScI)
How Far Away Is It - 11 - Andromeda and the Local Group (1080p) see update
(Newer version at http://youtu.be/IhP1GnAvm0w)
Text at http://howfarawayisit.com/documents/
In this segment of our "How far away is it" video book, we cover the Andromeda galaxy along with our local group of galaxies, including some of the dwarf galaxies orbiting the Milky Way.
We begin with Edwin Hubble's discovery of a Cepheid variable star in what was thought to be a Milky Way nebula. The star was V1 and it changed the history of astronomy. We cover the black hole at the center of Andromeda, highlight the size of this beautiful galaxy with its trillion stars, and point out what was going on here on our planet when the light we see left Andromeda on its journey into our telescopes.
Next we identify the local group of galaxies including: Triangulum with its great star birth H II region NGC 604; irregular galaxy NGC 6822 with its unique Hubble V H II region; the recently discovered galaxy IC 10; nearly edge on galaxy NGC 3109; and Sextans A.
Then we focus on the two main galaxies orbiting the Milky Way -- the Large Magellanic Cloud and the Small Magellanic Cloud. Then we take a look at some of the amazing nebula within these two dwarf galaxies including: Supernova Remnant N 63A, SN 0509-67.5, the Tarantula Nebula, 30 Doradus, Hodge 301, the Double Bubble, LH 95, NGC 2074, NGC 602, and NGC 346.
We conclude with a review of the galaxies we covered marked on a map of the Local Group.
Journey through the universe beyond the speed of light [HD]
Excellent documentary, mind blowing and superbly narrated. Enjoy
Narrated by Alec Baldwin.
Andromeda Galaxy (M31) - Deep Sky Videos
The Andromeda Galaxy is the Milky Way's nearest comparable neighbour and perhaps the most famous object on Charles Messier's famed list of 110 objects.
Featuring Meghan Gray and Mike Merrifield from the University of Nottingham and astrophotographer Nik Szymanek.
Deep Sky Videos website: http://www.deepskyvideos.com/
Flickr: http://www.flickr.com/photos/[email protected]
More about the astronomers in our videos: http://www.deepskyvideos.com/pages/contributors.html
More on the people who let us use their images: http://www.deepskyvideos.com/pages/image_contributors.html
Videos by Brady Haran
Editing in this film by Stephen Slater
Brady's other channels include:
http://www.youtube.com/periodicvideos (Chemistry stuff)
http://www.youtube.com/sixtysymbols (Physics and astronomy)
http://www.youtube.com/numberphile (Numbers and maths)
http://www.youtube.com/nottinghamscience (Science and behind the scenes)
http://www.youtube.com/foodskey (Food science)
http://www.youtube.com/BackstageScience (Big science facilities)
http://www.youtube.com/favscientist (Favourite scientists)
http://www.youtube.com/bibledex (Academic look at the Bible)
http://www.youtube.com/wordsoftheworld (Modern language and culture)
http://www.youtube.com/PhilosophyFile (Philosophy stuff)
Neil deGrasse Tyson: The Milky Way Will Collide With The Andromeda Galaxy
Astrophysicist Neil deGrasse Tyson answers a fan question about whether the Milky Way Galaxy is going to collide with the Andromeda Galaxy, along with commentary by co-host Chuck Nice.
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ScienceCasts: Andromeda vs. the Milky Way: Astronomers Predict a Titanic Collision
Visit http://science.nasa.gov/ for more.
Astronomers no longer have any doubt: Our Milky Way Galaxy will have a head-on collision with Andromeda. Fortunately, they say, Earth will survive when the two great star systems meet 4 billions years from now.
Milky Way and Andromeda Galaxies Collision Simulated | Video
Using data from the Hubble Space Telescope, scientists have developed this simulation of the head-on collision of our Milky Way galaxy and the Andromeda galaxy. Estimated to occur in 4 billion years.
Crash of the Titans: Milky Way and Andromeda Galaxy
http://www.facebook.com/ScienceReason ... Hubblecast Episode 55: Crash of the Titans. Astronomers have used the NASA/ESA Hubble Space Telescope to forecast a future cosmic pile up: the titanic collision of the Milky Way and the Andromeda galaxy in about four billion years time.
Please subscribe to Science & Reason:
In this episode of the Hubblecast, scientists Jay Anderson and Roeland van der Marel show how they have used Hubble observations to predict the future of the Andromeda Galaxy and the Milky Way.
The Andromeda Galaxy, some 2.2 million light-years away, is the closest spiral galaxy to our home, the Milky Way. For around a century, astronomers have known it is moving towards us, but whether or not the two galaxies would actually collide, or simply fly past each other, remained unclear.
Now, a team of astronomers has used the Hubble Space Telescope to shed light on this question, by looking at the motion stars in the Andromeda Galaxy.
We wanted to figure out how Andromeda was moving through space. So in order to do that we measured the location of the Andromeda stars relative to the background galaxies. In 2002 they were in one place, and in 2010 they were in a slightly different place. And that allowed us to measure the motion over a period of eight years.
The motion is actually incredibly subtle, and not obvious to the human eye, even when looking at Hubble's sharp images. However, sophisticated image analysis revealed tiny movements that the scientists were able to project into the future.
Based on these findings, it is finally possible to show what will happen to the Milky Way over the next eight billion years, as the galaxies drift closer then collide and gradually merge into a single, larger, elliptical galaxy with
reddish stars. And yet the Solar System should in fact survive this huge crash. The reason we think that our Solar System will not be much affected by this collision between the Milky Way and Andromeda is that galaxies are mostly empty space.
Even though our galaxy, as well as the Andromeda Galaxy, has a hundred billion stars in it, they are very far apart. So if two galaxies actually collide with each other, the stars basically pass right between each other and the chance of two stars directly hitting each other is really, really small. So the likelihood that our Solar System will be directly impacted by another star, for example, in Andromeda as we collide with it is really, really small. If life is still present on Earth when this happens, the changes in the sky will be quite spectacular.
Now they will be very very slow because the timescales on the scales of galaxies in the Universe are very very long. So you have to think, millions of years but even then over these timescales over millions of years, we will see big changes.
If we wait a few billion years, Andromeda will be huge on the sky. It will be as big as our Milky Way because we'll be very close to it. And then later, when the galaxies merge, the merged remnant of the Milky Way Galaxy and Andromeda will look more like an elliptical galaxy and we'll be sitting right in it. So the view of the Milky Way on the night sky will be completely gone and this band of light will be replaced by a more spheroidal distribution of light.
And so, the Sun, born in the Milky Way almost 5 billion years ago will end its life in a new orbit, as part of a new galaxy.
Keywords: Andromeda Milky Way Galaxy crash of the titans collide collision spiral elliptical galaxies NASA ESA Hubble Space Telescope stars universe light images astronomers astronomy science videos Hubblecast 55
how to find the andromeda galaxy
hope you like this video
HD Version Finding the Andromeda Galaxy
I have no affiliation with skymaps.com but I think it is a great idea. So check it out and you will be navigating the night sky in no time.