[Q&A] Messaging The Aliens, Moving the Earth, Shapes of Coronagraphs

Universe Today Podcast

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.

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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

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⚖️ LICENSE

Creative Commons Attribution 4.0 International (CC BY 4.0)

Support Universe Today Podcast

More description

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)

Support Universe Today Podcast

2024-05-07 39 min
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