In this week's Questions and Answers show, I explain the difference between the observable universe and the Hubble sphere, how satellite megaconstellations will affect smartphones and other consumer devices, and what impact Jupiter's radiation might have for life on Europa. 🦄 Support us on Patreon: https://patreon.com/universetoday00:00 Start00:36 What's the difference between the observable universe and the Hubble sphere? 03:57 Will smartphones get satellite access? 08:07 Could Jupiter's radiation impact Europa's life? 11:02 Information about the lunar poles?