[Q&A] Rings Around Stars, Laser Space Propulsion, Life on Cold Moons

Universe Today Podcast · Jan 11, 2023 · 42m

How do we determine the velocities of objects in distant space? Can we use a laser a space engine on a spaceship? Can we find stars with rings? Is it possible to see the same star at different stages of its life? All this and more in this week's Q&A.🦄 Support us on Patreon: https://patreon.com/universetoday00:00 Start02:21 [Tatooine] Can stars have rings?07:59 [Coruscant] Can we see stars at different life stages with gravitational lensing?11:29 [Hoth] Why not launch payloads from orbit?14:30 [Naboo] What would happen if time stopped?16:20 [Kamino] Does Elon/Twitter impact spaceflight…