Fraser Cain | Telescopes Shooting Lasers, Assembling Telescopes in Space, Growing Plants on Mars | Overtime Q&A 2 @frasercain | Uploaded 2 months ago | Updated 8 hours ago
What are those lasers shooting out from telescopes? Can we build a space elevator? Could we grow plants in Mars regolith? Why not assemble telescopes in space? Answering all these questions and more in this week's Overtime Q&A.
🦄 Support us on Patreon:
patreon.com/universetoday
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goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:50 Could we plant in Mars regolith?
02:35 What is the bright laser coming out of telescopes?
06:08 Will telescopes be assembled in space?
07:59 Would we have our money's worth if JWST broke?
08:45 Any updates on space elevators?
12:52 Will Breakthrough Starshot happen soon?
15:24 What about a low-mass black hole?
16:37 Could Gemini North and South do optical interferometry?
19:06 Thoughts on Europa?
21:46 How do galaxies collide if the Universe is expanding
22:45 Could an LCD screen be a coronagraph?
26:46 How does light travel farther than 13.8 billion light-years?
28:19 Are we looking for machine civilizations?
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⚖️ LICENSE
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.
What are those lasers shooting out from telescopes? Can we build a space elevator? Could we grow plants in Mars regolith? Why not assemble telescopes in space? Answering all these questions and more in this week's Overtime Q&A.
🦄 Support us on Patreon:
patreon.com/universetoday
📚 Suggest books in the book club:
goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:50 Could we plant in Mars regolith?
02:35 What is the bright laser coming out of telescopes?
06:08 Will telescopes be assembled in space?
07:59 Would we have our money's worth if JWST broke?
08:45 Any updates on space elevators?
12:52 Will Breakthrough Starshot happen soon?
15:24 What about a low-mass black hole?
16:37 Could Gemini North and South do optical interferometry?
19:06 Thoughts on Europa?
21:46 How do galaxies collide if the Universe is expanding
22:45 Could an LCD screen be a coronagraph?
26:46 How does light travel farther than 13.8 billion light-years?
28:19 Are we looking for machine civilizations?
📰 EMAIL NEWSLETTER
Read by 70,000 people every Friday. Written by Fraser. No ads.
Subscribe for FREE: universetoday.com/newsletter
🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com
🤳 OTHER SOCIAL MEDIA
Mastodon: astrodon.social/@fcain
Twitter: twitter.com/fcain
Twitter: twitter.com/universetoday
Facebook: facebook.com/universetoday
Instagram: instagram.com/universetoday
📩 CONTACT FRASER
frasercain@gmail.com
⚖️ LICENSE
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.
