Submission + - Could we abort a manned mission to Mars?
StartsWithABang writes: The next great leap in human spaceflight is a manned mission to a world within our Solar System: most likely Mars. But if something went wrong along the journey — at launch, close to Earth, or en route — whether biological or mechanical, would there be any way to return to Earth? A fun (and sobering) look at what the limits of physics and technology allow at present.