Question

And 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 current technology cannot support this mission.

(D) there are too many space crafts in the universe that would interfere with the mission.

Answer 1

(C) the current technology cannot support this mission.