← Back to context Comment by amanaplanacanal 1 day ago Now I'm wondering why the Apollo program went to the moon if doing Mars is so much cheaper. 1 comment amanaplanacanal Reply bryanlarsen 17 hours ago Going is cheaper. Coming back is more expensive. And of course the 3-6 month travel time is a challenge.
bryanlarsen 17 hours ago Going is cheaper. Coming back is more expensive. And of course the 3-6 month travel time is a challenge.
Going is cheaper. Coming back is more expensive. And of course the 3-6 month travel time is a challenge.