Episode 582: Q&A 104: Should We Reconsider The Definition Of A Moon? And More...

Universe Today Podcast · Oct 30, 2019 · 24m

In this week's questions show, I explain why it's probably not time to reconsider the definition of a moon, if we could make artificial gravity with a chunk of a neutron star, and why a supermassive black hole isn't the anchor for an entire galaxy.00:47 Should we reconsider the definition of a moon?03:35 Could we make artificial gravity with mass?05:48 Why didn't the Big Bang collapse back into black hole?07:47 Why can't a black hole be the anchor of the galaxy?10:45 How far and how small can we see?13:37 What is left after a black hole evaporates?15:00 Could you have a star made out of…