[Q&A] Starships on Mars, Molten Salt Moon Batteries, Observable Universe

Why do people believe Starships will go to Mars? Can we use molten salt batteries on the Moon? What's the difference between the Universe and the Observable Universe? And in Q&A+, what's the chance of hitting an stone during an interstellar voyage?

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00:00 Start
00:25 [Dean T] Why people believe that Starships will land on Mars?
05:01 [Michael Stanley] What is does "observable Universe" mean?
06:46 [Dixie Q] When will we be able to see into the Oort cloud?
07:39 [puffcrusader696] How big can a telescope mirror get?
09:31 [kLONDIKE69 NONE] Can we use molten salt batteries on the Moon?
10:12 [Andrea Lencione] Which classic scifi author was best at predicted the future?

📺 VIDEO VERSION
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