What effect would a rogue gas giant have if it flew through the Solar System? Can fish survive in microgravity and go to space? Do hypervelocity stars leave a wake we could detect? 🦄 Support us on Patreon: https://patreon.com/universetoday00:00 Start01:08 [Tatooine] Can life exist on an Earth-sized moon of a gas giant? 06:42 [Coruscant] Do hypervelocity stars leave a wake we could detect?