Universe Today Podcast [Q&A] Messaging The Aliens, Moving the Earth, Shapes of Coronagraphs
How can we let aliens know we're here? What does a lunar eclipse look like as seen from the Moon? Can we record a supernova in real time? Why aren't coronagraphs just circles? Answering all these questions and more in this week's Q&A show.
🦄 Support us on Patreon:
https://patreon.com/universetoday
📚 Suggest books in the book club:
https://www.goodreads.com/group/show/1198440-universe-today-book-club
00:00 Start
00:37 [Andoria] Can we signal to aliens with green glass?
06:39 [Vulcan] Lunar eclipse seen from the Moon
11:24 [Risa] Can we record a supernova appearing in real-time?
16:05 [Aeturen] Why aren't coronagraphs just circles?
20:53 [Vendikar] How do astronomers determine distances to other galaxies?
25:02 [Remus] Who was my favourite interview?
28:01 [Janus] How do astronomers determine the age of stars?
31:11 [Cait] Can we move Earth by the time the Sun will die?
34:31 [Betazed] Why does the Moon look bigger and yellow sometimes?
📺 VIDEO VERSION
https://youtu.be/mz-DcU2VaAs
📰 EMAIL NEWSLETTER
Read by 60,000 people every Friday. Written by Fraser. No ads.
Subscribe. It's FREE: https://universetoday.com/newsletter
🎧 PODCASTS
Universe Today: https://universetoday.fireside.fm/
Astronomy Cast: http://www.astronomycast.com/
🤳 OTHER SOCIAL MEDIA
Twitter: https://twitter.com/fcain
Twitter: https://twitter.com/universetoday
Facebook: https://facebook.com/universetoday
Instagram: https://instagram.com/universetoday
📩 CONTACT FRASER
frasercain@gmail.com
⚖️ LICENSE
Creative Commons Attribution 4.0 International (CC BY 4.0)