With Fraser Cain. Support Universe Today at Patreon Check out the Universe Today website at universetoday.com and subscribe to the Universe Today YouTube Channel .
Latest Universe Today videos
Q&A 137: What Impressed Me The Most About Perseverance's Landing? And More...
In this week's live questions show, we spend a lot of time talking about the Perseverance landing on Mars. What's happening with my content right now, and is anyone watching the Moon for meteorite impacts? 00:00 Start
00:15 What was the best part of the Perseverance landing?
03:28 Why is the data transfer to Mars so good?
05:43 How do you test AI to work remotely on Mars?
07:56 How did they decelerate the rover?
09:20 Is there a microphone on the rover?
11:10 When will ESA's rover going?
14:37 Have Mars rovers photographed Earth?
15:15 Could Breakthrough Starshot send spacecraft to Mars?
17:44 Does the spacecraft move faster after a cargo delivery?
19:26 Do we watch for asteroids hitting the Moon?
21:14 What do I think of Babylon 5?
23:03 Is more content planned?
28:42 Will we visit nebulae in the future?
32:36 When will I shoot outside again?
34:57 Do I think the government is hiding evidence of aliens?
36:49 What are the limits of our technology?
40:35 Why sterilize spacecraft going to other worlds? Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here. 🚀 OUR WEBSITE:
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Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists. RSS: https://www.universetoday.com/feed/wshaudio/
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YouTube: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/ Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.
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Q&A 136: Should Falcon Heavy Launch the Lunar Gateway? And More...
In this week's questions show, I talk about why some missions go into orbit, and other missions make a direct landing on Mars. Is it a good idea for the SpaceX Falcon Heavy to launch components for the Lunar Gateway? And how can we know if the Universe is finite or infinite? 00:00 Start
00:30 Why go into orbit when NASA goes straight for landing?
04:19 What about SpaceX launching the Lunar Gateway?
08:45 Is the Universe finite or infinite?
11:52 Would a big black hole event horizon look flat?
12:38 If I had $50 billion to spend on space
16:14 Do I own any space stocks?
18:04 Will there be a time when we can't see other galaxies?
21:24 Is it easier or harder to fly to the Moon now?
25:09 When will the first steps be on Mars?
30:58 Would a Moon city protect humanity?
35:46 Could we crash Mars into Pluto?
36:54 Will travel to the Moon/Mars ever be cheap?
39:24 Should we be improving Earth or Mars?
41:06 Which book series do I recommend people read first?
42:13 Will Perseverance hear the helicopter?
44:07 What technologies will improve the Earth in the future? 🚀 OUR WEBSITE:
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Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists. RSS: https://www.universetoday.com/feed/wshaudio/
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Q&A 135: Where Will We Find Life First? In the Solar System or Another Star?
In this week's questions show, I explain why there are separate challenges for finding life in both the Solar System and in the Milky Way. Can we use water as a propulsion system in space? Will there be interferometer telescopes launched into space? 00:00 Start
00:22 Easier to find life in the Solar System or Milky Way?
05:13 Could an exosuit simulate gravity?
06:36 Could you use water as a propulsion system?
08:28 Could you have space-based interferometry?
13:02 Are the moons of Jupiter in severe radiation?
14:19 Is anyone working on spinning habitats?
18:05 What about Amazon's satellite constellations?
22:19 Can you have rogue planets without a star?
25:52 How do you stop a lightsail?
27:22 How far will James Webb see?
31:35 Could gravitational lensing mess up the CMB?
34:27 Will the Titan Dragonfly visit the seas?
37:29 What's my astrophotography setup?
38:55 What type of radiation is around Jupiter?
39:53 Is Blue Origin a serious competitor to SpaceX?
44:22 What telescopes do I have?
44:47 If Earth was locked to the Sun, what would happen to the gravity?
45:23 Will there be a telescope on the Moon?
46:17 Would we know where a WoW signal is coming from? 🚀 OUR WEBSITE:
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Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists. RSS: https://www.universetoday.com/feed/wshaudio/
iTunes: https://podcasts.apple.com/ca/podcast/weekly-space-hangout-audio/id836926769
YouTube: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/ Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.
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Creative Commons Attribution 4.0 International (CC BY 4.0) You are free to use my work for any purpose you like, just mention me as the source and link back to this video.
Q&A 134: Could Tethered Starships Provide Artificial Gravity? And More...
In this week's Q&A show, I answer questions about Starship might be able to provide artificial gravity, whether I'd prefer to have LUVOIR or the Overwhelmingly Large Telescope, and if nuclear-powered rockets will work in space. You can join me live every Monday on my YouTube channel at 5pm Pacific Time to ask your questions live. 00:00 Start
00:18 Could Starships provide artificial gravity?
03:51 LUVOIR or the Overwhelmingly Large Telescope?
05:30 Are nuclear-powered rockets feasible?
09:08 What do I think about Avi Loeb's theory about Oumuamua aliens?
14:49 What happened with Starship's SN9 test?
16:19 Let's learn more about the Universe Today writing team
19:15 Learning the constellations
23:00 Can spacecraft survive interstellar space?
25:13 What if the Earth had no Moon?
27:52 Why are all craters circular?
30:09 Will humans be able to survive in the Solar System?
33:01 Will there be a limit to orbital refueling?
36:58 Did the Sun have a binary partner?
39:08 Is life more likely on K-type stars? Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here. 🚀 OUR WEBSITE:
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Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists. RSS: https://www.universetoday.com/feed/wshaudio/
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YouTube: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/ Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.
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Interview: Chris Prophet, SpaceX From the Ground Up
This week I interview Chris Prophet, the author of "SpaceX from the Ground Up". His book, now in its 6th edition covers the story of SpaceX, from its initial concept to the latest Starship tests. https://www.amazon.com/SpaceX-Ground-Up-Chris-Prophet-ebook/dp/B01CUUUZZ2 🚀 OUR WEBSITE:
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Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists. RSS: https://www.universetoday.com/feed/wshaudio/
iTunes: https://podcasts.apple.com/ca/podcast/weekly-space-hangout-audio/id836926769
YouTube: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/ Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.
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Q&A 133: What's Causing the Expansion of the Universe? And More...
In this week's QA, I talk about what's driving the expansion of the Universe, how big the observable Universe is to the actual Universe, and what will happen to dogs in gravity. 00:00 Start
00:26 What's driving the expansion of the Universe?
04:01 How big is the observable Universe compared to the actual Universe?
07:25 Do people watch videos or listen to my podcasts?
10:37 Will dogs enjoy lunar gravity?
12:59 Why aren't we looking deeper in the Kuiper Belt?
15:54 What would be some good ways to explore lava tubes?
19:36 What happened to the Overwhelmingly Large Telescope?
22:48 Would space LIGO be more sensitive?
27:56 What's the most like Great Filter?
31:07 Why do we talk about distance in form of time?
35:14 Any future collaborations with Isaac Arthur?
35:58 How long will the Mars helicopter survive?
40:07 When will NASA incorporate Starship into its plans?
42:15 How dangerous is the Kessler Syndrome? 🚀 OUR WEBSITE:
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Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists. RSS: https://www.universetoday.com/feed/wshaudio/
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YouTube: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/ Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.
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Interview: Robots Made of Ice with Devin Carroll
In this week's interview, I talk with Devin Carroll, a robotics Ph.D. student at the modular robotics lab at the University of Pennsylvania. Devin is working on robots that can build their own structure out of ice. https://www.modlabupenn.org/people/devin-carroll/ https://www.youtube.com/watch?v=kjfDRQWv0x0 🚀 OUR WEBSITE:
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Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists. RSS: https://www.universetoday.com/feed/wshaudio/
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Q&A 132: How Much Of The Universe Could We Ever Explore? And More...
In this week's live Q&A, I talk about the new Space Launch System hot-fire test, how Breakthrough Starshot spacecraft might be able to communicate with home, and what messages would we send to aliens that we might never be able to reach physically. 00:00 Start
02:11 How would Starship chipsats communicate with Earth?
05:00 How far can we ever explore into the Universe?
06:31 Why was the SLS test so short?
08:59 This is why we test.
09:52 What message would we send to aliens we could never visit?
13:52 Is anyone working on a practical artificial gravity?
18:32 Do we know which stars can see Earth transiting?
21:11 How do spacecraft change their trajectories?
23:50 When will LUVOIR launch?
26:24 Why is there a solar cycle?
29:51 Will AI start answering science questions?
32:53 Is a generation ship or seed ship better?
35:25 Are gravitational lenses like telescope lenses?
36:46 Will we hit light speed or wormholes first?
37:49 How prepared are we for a Carrington Event?
40:48 Can we predict gamma ray bursts?
45:52 What are my news sources?
48:41 Do I think there's non-intelligent life out there?
52:56 Would a Europa lander see any life in the surface? Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here. 🚀 OUR WEBSITE:
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Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists. RSS: https://www.universetoday.com/feed/wshaudio/
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YouTube: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/ Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.
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Q&A 131: Can Breakthrough Starshot Slow Down? And More...
Welcome to the new style Q&As, which we're now recording every Monday live on my YouTube channel at 5pm Pacific Time. This week we got a lot of great questions about the Proxima Centauri signal, the Fermi Paradox, and Breakthrough Starshot. 00:00:00 Start
00:00:14 Is Starlink portable?
00:01:07 Any thoughts on the Wow signal?
00:03:58 What are magnetars?
00:06:20 Any followup planned on Proxima signal?
00:07:34 My answer to the Fermi Paradox
00:11:50 Why don't neutron stars turn into black holes?
00:13:03 Could Breakthrough Starshot confirm the Oort Cloud?
00:15:07 Can Breaththrough Starshot slow down?
00:20:03 Do other planets have pole stars?
00:20:45 Should we put a telescope out by Neptune or Uranus?
00:23:15 Next rare celestial event
00:26:12 Does Skylon have a future in space exploration?
00:30:35 How will humanity end?
00:33:47 Is Elon Musk a supervillain?
00:35:16 When can regular people do space tourism?
00:38:12 Am I up to date on the Expanse?
00:39:51 SG1 or the Expanse?
00:41:37 Does everything experience gravitational lensing?
00:44:07 What do I think of DALL-E?
00:47:18 Doing space journalism for 21 years
00:48:39 Space assembly of telescopes. 🚀 OUR WEBSITE:
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Weekly Space Hangout: Weekly news roundup with Fraser, special guests, and other space journalists. RSS: https://www.universetoday.com/feed/wshaudio/
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YouTube: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/ Astronomy Cast: Award-winning, long-running deep dive into space and astronomy with Fraser and Dr. Pamela Gay.
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Interview: The Story of the Europa Clipper: "The Mission" with David Brown
In this week's interview, I talk to David Brown about his new book: The Mission. It's all about the campaign to design and build the Europa Clipper mission and everything that happened behind-the-scenes. David is a science journalist and writer with with work in the Atlantic, New York Times, Scientific American and more. https://www.dwb.io/ https://www.harpercollins.com/products/the-mission-david-w-brown?variant=32126580064290 🚀 OUR WEBSITE:
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Interview: The Story of the Milky Way with Chris Carr
In this week's interview, I talk with Chris Carr, one of the co-hosts in the Weekly Space Hangout. Chris is a grad student at Columbia University, specializing in the cosmos inside and outside the Milky Way. http://www.astro.columbia.edu/profile?uid=chris 🚀 OUR WEBSITE:
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Open Space 100: Did We Really Detect a Signal from Proxima Centauri? And More...
In this week's last QA of 2020, I go long answering questions about space and astronomy. I talk about the news of a radio signal received from Proxima Centauri, an update on my attempts to learn Mandarin Chinese, and a long diatribe about megaconstellations and their impact on astronomy. 00:00:00 Start
00:02:51 How do we know the rotation rate of gas planets?
00:05:21 Green blobs
00:05:42 Radio signal from Proxima Centauri
00:11:25 Learning Chinese
00:17:05 Why don't we live in a black hole?
00:18:37 Is nuclear propulsion legal?
00:21:50 Are there planets that have no knowledge of space?
00:24:57 Will the speed of light change our view of the conjunction?
00:26:25 Should we build a super-Kepler?
00:29:00 What motivation is there for space colonization?
00:31:23 Better name for dark matter?
00:32:15 Why learn Chinese?
00:35:12 Where will humans go instead of Mars?
00:37:00 Will we detect heavier elements after the island of stability?
00:38:40 Will there be a future mission to Neptune?
00:39:51 Should we send a mission to Alpha Centauri?
00:41:23 What would the Milky Way look like from above?
00:43:00 Updates on O'Neill cylinders?
00:45:10 Should we change our behavior if we live in a simulation?
00:47:06 Is the Universe 99.99% devoid of life?
00:50:27 Will I do QAs in Mandarin?
00:51:06 What's the terminal velocity speed of Starship?
00:52:04 How to push Venus into the Sun?
00:53:04 Am I enjoying The Expanse?
00:54:15 Could Hubble show the conjunction?
00:54:37 How big were Pop 3 stars?
00:58:15 What missions would I do if I was the head of NASA?
00:59:49 Will robots replace people most of the time?
01:01:15 Favorite missions that never happened?
01:02:20 Backyard observatory?
01:03:20 ESA's reusable rocket plans
01:07:25 Can a remote colony be self-sustaining?
01:10:11 What about VASIMIR?
01:12:17 How bad will Starlink be for astronomy?
01:25:27 Could you extrapolate the position of stars in the sky? 🚀 OUR WEBSITE:
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Open Space 99: Would Alien AI Be Friendly to Us? And More...
In this week's live QA, I answer questions about the source of the Earth's water, what happened to Theia after it collided with the Earth? And can we hope for alien artificial intelligence to be peaceful? 00:00:00 Start
00:04:45 Can we know how much of the Moon is Earth and what is Theia?
00:06:41 Where did the Earth's water come from?
00:09:24 Would alien AI be friendly?
00:12:01 How far could we detect alien civilizations?
00:15:58 Why isn't metallic hydrogen made with nuclear weapons?
00:19:37 Is there water on Titan?
00:22:35 Is the outer Solar System rich in water?
00:24:03 Do stars leak hydrogen?
00:26:32 Can we own mining facilities on the Moon?
00:31:08 Is the Universe orbiting a huge black hole?
00:33:20 What are all the stuff behind me?
00:34:35 Why is it taking so long to send missions to the ice giants?
00:36:58 Favorite lunar lander?
00:40:13 Why is everyone making fun of Starship?
00:44:10 Can ion engines be scaled up?
00:48:00 Could a Falcon 9 carry Orion?
00:51:13 Am I happy to see Bridenstine step down?
00:52:30 What are the limitations of horizontal launches?
00:55:15 What about Sea Dragon?
00:59:05 Why does it take so long to get to Jupiter? 🚀 OUR WEBSITE:
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Interview: Elizabeth Howell PhD, Canada's Role in Space Exploration
My guest this week is the science journalist Elizabeth Howell. Dr. Howell is one of the most prolific space journalists working in the field, contributing thousands of articles across almost every space news site (including Universe Today). She has also written and collaborated on several books. Her latest book is called "Canadarm and Collaboration", and it's all about Canada's role in spaceflight. https://elizabethhowell.ca/ Our Book is out!
https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/ Audio Podcast version:
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Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fw
Chad Weber -
[email protected]Interview: Alex Ignatiev and Manufacturing on the Moon
My guest this week is Alex Ignatiev, from Lunar Resources. Alex and his team are working on a rover that could build solar panels, wiring and even radio antennae out of lunar regolith. This could support future bases or even radio telescopes. You can learn more about Lunar Resources here:
http://lunarresources.space/ Our Book is out!
https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/ Audio Podcast version:
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[email protected]Open Space 98: Can White Dwarf Stars Have Habitable Planets? And More...
In this week's live questions show, I explain why planets can remain habitable long after their stars have died, what we're going to do now that Arecibo has collapsed, how we'll explore the oceans underneath Europa. I also answer the question of whether or not I'm ready to learn about the secret Galactic Federation. Our live shows are provided ad-free thanks to the support of our amazing patrons. Join our community at https://patreon.com/universetoday. 00:00:00 Start
00:06:07 Can white dwarf stars have planets? Is it habitable in the long term?
00:09:50 Can bugs fly on the space station?
00:11:16 How will we track asteroids without Arecibo?
00:13:41 Could Arecibo have been collapsed safely?
00:16:28 Can ISS dodge meteors?
00:18:45 What would it take to rebuild Arecibo?
00:19:45 Is there dark matter here in the Solar System?
00:22:59 No ads
00:23:17 Will we be watching the conjunction of Saturn and Jupiter?
00:23:40 Will Arecibo engineers be able to get other jobs?
00:24:20 Could there be captured interstellar objects in the Solar System?
00:26:50 Will I be watching the Starship test?
00:30:43 Seriously? Conjunction Star Party?
00:31:41 Will a Ryugu sample be contaminated by the Solar System?
00:33:55 Will China share their space station?
00:37:43 Should James Webb launch on a different rocket?
00:40:17 How could we actually drill into Europa?
00:43:27 How will we scan Europa's oceans?
00:46:12 Are there positive and negative magnetars?
00:48:22 How will we not contaminate other worlds with Earth life?
00:50:22 What if someone is hurt on the International Space Station?
00:51:53 Can we join the Galactic Federation?
00:52:50 Are Cargo Dragons reused?
00:53:33 How will the Europa Clipper's lander work?
00:55:35 Why doesn't Starship have escape pods?
00:57:03 What about a mission to other Jovian moons. 🚀 OUR WEBSITE:
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Virtual Star Party 14: Dueling Andromeda Edition (With a Starlink Unboxing).
REMINDER: We are starting ANOTHER hour EARLIER this week! Join Fraser for the Virtual Star Party and observe the night skies from locations around the world. We are working to line up a great team of astronomers to show everyone the view of their local skies. And if conditions are good, Fraser will also be sharing the sky from Landers, CA! Be sure to visit our online Public Folder on Google Drive to see images from PAST events! Just go to: https://drive.google.com/drive/folders/1Y2uXVLbURwIga0m18xxy7FPNEqhDCxOb *********************************** Our Book is out!
https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/ Audio Podcast version:
ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2
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[email protected]Interview: Wallace Arthur and the Biological Universe
Wallace Arthur is an evolutionary biologist and emeritus professor of Zoology at the National University of Ireland, Galway. His newest book is called the Biological Universe, and features the search for life in the Milky Way and Beyond. https://www.cambridge.org/core/books/biological-universe/4599E17C7FAAECE4A87038C62039C755 Our Book is out!
https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/ Audio Podcast version:
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[email protected]Open Space 97: What if SagA* Turned into a Quasar? And More...
In this week's live questions show, I explain how amateurs can contribute to space and astronomy research, will I sign up for Starlink, and what would happen if the supermassive black hole at the heart of the Milky Way turned into a quasar? 00:00:00 Start
00:03:13 How can amateurs can contribute to science?
00:05:50 What if Sgr* turned into a quasar?
00:07:00 Will the Universe end in a Big Rip?
00:10:32 How can solar sails be pushed by massless photons?
00:12:45 Do we know what rocky planets are made out of?
00:14:18 How did my mind change after interviewing Wallace Arthur
00:18:06 Will I sign up for Starlink Beta?
00:20:00 Am I looking forward to Dune?
00:23:30 Isn't the buy in cost for Starlink too expensive?
00:26:08 How can the methuselah star be older than the Universe?
00:27:31 Can we observe Oort clouds in other Solar Systems?
00:30:00 Does Andromeda have a supermassive black hole?
00:32:43 Any progress on Event Horizon Telescope?
00:34:35 What if an Earth-sized world fell into the Sun?
00:36:01 How can spacecraft journey from star to star?
00:37:31 Is Andromeda more massive?
00:38:31 Propulsion systems I'm excited about?
00:40:23 Is the Sun gaining or losing mass?
00:41:10 Why is it a good year for comets?
00:42:52 Can we use fusion for spaceflight?
00:46:15 How could we destroy Saturn's rings?
00:47:23 Any update on Terrascope?
00:48:52 Could we put astronauts to sleep?
00:51:53 What about cold fusion?
00:53:21 Is a hot big bang feasible?
00:55:15 Could there be planets in globular clusters?
00:58:20 Could neutrinos be dark matter? Our Book is out!
https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/ Audio Podcast version:
ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2
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[email protected]VSP 13: Virtual Star Party
UPDATE: Looks like we are going to be clouded out tonight - so we are postponing for one week. See y'all on November 28th! Join Fraser for the Virtual Star Party and observe the night skies from locations around the world. We are working to line up a great team of astronomers to show everyone the view of their local skies. And if conditions are good, Fraser will also be sharing the sky from Landers, CA! Be sure to visit our online Public Folder on Google Drive to see images from PAST events! Just go to: https://drive.google.com/drive/folders/1Y2uXVLbURwIga0m18xxy7FPNEqhDCxOb *********************************** Our Book is out!
https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/ Audio Podcast version:
ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2
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