average_username6

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average_username62 karma

Thanks for doing this AMA from a High School Senior going into Engineering. My question is, realistically, how far off is a manned mission to Mars, and what is the biggest impediment to such a mission, besides the expenses involved? Thanks in advance.

average_username61 karma

How long would conventional rocket engines take to get us there, and would we be able to return from such a mission with the same craft that was taken?