gymnastemily18 gymnastemily18

20-04-2017
Chemistry

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BRAINLIEST ANSWER! PLEASE HELP!! An Earth-like planet is 500 light years away. Why is this an obstacle for a manned space mission?

A. The cost is too low
B. There is no oxygen in space
C. Humans cannot live for 500 years
D. There are no plans to send a human

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blackhell8959 blackhell8959

20-04-2017

I Would think it would be C Since Humans can't live 500 years but then yet again it is light years not regular years i think if you find how man years is 500 light years the that could help you in finding the answer

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