Universe Today Podcast Episode 701: 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?