Episode 517: QA 85: Am I Optimistic About Humanity? And More...

00:18 Am I optimistic about humanity? 01:59 Is the expansion happening everywhere? 04:03 How do they keep dust off big telescopes? 05:02 What if Olympus Mons erupted? 06:36 Can we see through the Bootes Void? 08:18 Could we make a really big Event Horizon Telescope? 09:53 Would we see a supernova in realtime? 11:53 Why are asteroids worth so much money? 13:08 Why don't we live on Venus? 14:54 Why do rockets go sideways? 15:58 Are gravitational waves being created all the time? 17:42 How can you tell the size of an object?Support Universe Today Podcast