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0 pointsglimshe1y ago0 comments

Where did you get the 1bn km number? I'm asking it seriously, I'd like to better understand how to calculate these things.

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vivzkestrel1y ago

some calculation about resolution of the telescope to be able to see cities and people of another planet from a 100 light years away at the minimum. I forgot the exact calculation but it ll need a humongous sized telescope mirror

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vivzkestrel1y ago

j / k navigate · click thread line to collapse