It doesn't lose the atmosphere that fast, so it would be worth doing it.
Also, maybe we get lucky and that comet hits Mars next year [1], which might warm up the planet a bit. The downside could be that humans visiting Mars could be delayed by a few decades, but probably worth the wait in the long term if the planet gets warmer.
Also, maybe we get lucky and that comet hits Mars next year [1], which might warm up the planet a bit. The downside could be that humans visiting Mars could be delayed by a few decades, but probably worth the wait in the long term if the planet gets warmer.
[1] - http://www.space.com/20060-comet-mars-2014-collision-explain...