Chemistry, 10.10.2019 14:30, debrielcalderon

An earth-like planet is 500 light years away why is this an obstacle for a manned space mission?

a. there are no people willing to go on this type of mission

b. the cost to conduct this mission is to low

c. the correct technology cannot support this mission

d. there are too many spacecraft in the universe that would interfere where is the mission.

i am on a !

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An earth-like planet is 500 light years away why is this an obstacle for a manned space mission?