Universe Today Podcast

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

January 11th, 2023  •  42 mins 50 secs  •  Download (62.2 MB)  •  Link with Timestamp

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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.