Things to See Before You Die, Reigniting A Dead Star, Types of Black Holes | Q&A 237

How do we know that Psyche is a metal asteroid? Did primordial gravitational waves stretch when inflation happened? When do we finally get more Trappist-1 data from JWST? Can a dead star possibly reignite? 😍 1 Year of JWST Special: 🦄 Support us on Patreon: 00:00 Start 00:53 [Andoria] Why is the Ice Cube Observatory at the South Pole? 05:49 [Vulcan] Can a dead star reignite? 09:51 [Risa] What about asteroid mining? 15:18 [Aeturen] How do we know Psyche is a metal asteroid? 17:40 [Vendikar] Are there different types of black holes? 21:13 [Remus] How to monitor auroras? 24:30 [Janus] How fast do gravitational waves go? 26:23 [Cait] How many black holes are there? 29:40 [Betazed] What if you go too close to a gravitational wave event? 31:45 [Cheleb] Astronomy bucket list? 35:13 [Nimbus] Trappist-1d and 1e from JWST. Wen? 37:41 [Belos] From how far away can you