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LumberjackWeezy OP t1_j1t43ca wrote

Reply to comment by cjameshuff in "Speed up" terraforming of Mars by using Enceladus' icy crust? by LumberjackWeezy

>The Belt asteroids would be a relatively expensive place to get ice, in part because they're closer. It takes a substantial delta-v to reshape their orbits to hit Mars.

What about reshaping their orbits into Mars' orbit so that Mars hits them?

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Obvious_Cranberry607 t1_j1trgem wrote

It's the same thing, just a difference of timing. I suspect that having them hit Mars has a higher chance of success though, because I think Mars would be moving sideways slower than they'd be accelerating towards the inner solar system. Think trying to time walking fowards into a perpendicularly thrown ball, rather than having the thrower lead it and bean you in the side.

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