Universe Today Podcasts With Fraser Cain

The new season has begun! We're back with an all-new series of question shows. In this week's episode, I provide a quick guide to seeing fireballs (bolides), which are the brightest meteors you can see (and sometimes hear). I explain the philosophy behind Dyson Spheres, and explain why dark matter can't be made out of antimatter. 00:00 Start 00:43 How big are really bright meteors? 04:15 Are Dyson Spheres just pure fantasy? 08:19 What would it take to resolve features on Proxima B? 11:32 Could anti-matter be dark matter? 12:23 Is Jupiter a failed star? 13:15 Would the transmit method let us detect planets in Andromeda? 14:55 Disappearing stars? 17:38 No more Ewok Forest? 18:50 Could a collider create a dangerous black hole? 20:57 Should we find Oumuamua? 23:21 Could we detect techno signatures in Andromeda? 24:45 What's happening on Mars? 27:43 Could we detect an extraterrestrial war? 28:54 Will space-based power work? 30:43 Will Mars be a knowledge-based economy? 32:53 Will we ever live on Venus? 33:21 Is th