← Back to context Comment by amanaplanacanal 18 hours 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 12 hours ago Going is cheaper. Coming back is more expensive. And of course the 3-6 month travel time is a challenge.
bryanlarsen 12 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.