Episode 701

Open Space 97: What if SagA* Turned into a Quasar? And More...

00:00:00
/
01:01:09

December 2nd, 2020

1 hr 1 min 9 secs

Your Host
Tags

About this Episode

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
RSS: https://www.universetoday.com/audio

What Fraser's Watching Playlist:
https://www.youtube.com/playlist?list=PLbJ42wpShvmkjd428BcHcCEVWOjv7cJ1G

Weekly email newsletter:
https://www.universetoday.com/newsletter

Weekly Space Hangout:
https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/

Astronomy Cast:
https://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSg

Support us at: https://www.patreon.com/universetoday
More stories at: https://www.universetoday.com/
Twitch: https://twitch.tv/fcain
Follow us on Twitter: @universetoday
Like us on Facebook: https://www.facebook.com/universetoday
Instagram - https://instagram.com/universetoday

Team: Fraser Cain - @fcain / [email protected]
Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fw
Chad Weber - [email protected]

Support Universe Today podcasts with Fraser Cain