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0 pointsbryanlarsen11mo ago0 comments

Nope. Because of aero braking, Mars takes less delta v to get to and land on than the moon does.

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Now I'm wondering why the Apollo program went to the moon if doing Mars is so much cheaper.

Going is cheaper. Coming back is more expensive. And of course the 3-6 month travel time is a challenge.

j / k navigate · click thread line to collapse

0 pointsbryanlarsen11mo ago0 comments

Nope. Because of aero braking, Mars takes less delta v to get to and land on than the moon does.

Now I'm wondering why the Apollo program went to the moon if doing Mars is so much cheaper.

Going is cheaper. Coming back is more expensive. And of course the 3-6 month travel time is a challenge.

j / k navigate · click thread line to collapse