November 19, 2025
[Q&A+] Furthest Known Galaxy, Gravitational Slingshot Speed Limit, Toppling Starship | Q&A 372
What's the furthest galaxy we've seen with JWST? What the maximum speed possible to achieve with gravitational slingshots? Is lunar Starship destined to topple? And in Q&A+, how many interstellar objects have we missed?
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Comments (4)
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Benjamin Lefebvre · November 20, 2025
mike trouble this time?
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gga140 · November 19, 2025
how large is the Orion capsule!?
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gga140 · November 19, 2025
cause if it can fit 4 crew members and a sorta bunker
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Stuart-AJC · November 19, 2025
A caveat to your rule one 'You can't go faster than the speed of light' is 'in a vacuum'. It is certainly possible for things like fission decay products to travel faster than the speed of light in the surrounding cooling water. Causing Cherenkov radiation, the blue glow you see in reactor cooling ponds