Do we predictions when will the Universe stop its expansion? Did we find hypervelocity stars in M31? What does it mean when planets go retrograde? FREE:https://www.patreon.com/universetoday00:00 Start00:27 [Peter Keyson] When will the Universe stop expanding? 02:54 [John De Keizer] Hypervelocity stars in M3106:20 [kindness] What does it mean that planets are retrograde?