How hard is it to escape the gravity wells of massive planets for other civilizations? How do gas clouds become stars? Can we harvest dark energy after the Heat Death? 🦄 Support us on Patreon: https://patreon.com/universetoday📖 Book Club Group: https://www.goodreads.com/group/show/1198440-universe-today-book-club00:00 Start02:43 [Tatooine] Can we use dark energy after heat death? 23:13 [Mustafar] Can you escape the gravity wells of massive planets?