In this week's questions show, I answer what would happen if a supernova exploded right beside a black hole, how do we know that it's impossible to travel faster than the speed of light, can we hitch a ride on an interstellar object, and more...00:00 Start00:17 What if a supernova exploded right beside a black hole? 03:09 Is interstellar travel just too difficult? 05:25 How do we know FTL is impossible? 11:25 How does the speed of causality work? 23:48 Can we hitch a ride on an interstellar asteroid?