What does it take to walk off another world?
A brisk stroll on Mars’ tiny, potato-shaped moon Phobos may just send you tumbling into space, finds a new report in Advances in Space Research. The new research (which admittedly seems a bit superfluous at first) looked at the latest published models of Phobos’ odd shape and dynamics to study how future exploration missions should navigate in orbit around, or on, the surface of the moon. The weird shape of the puny 14-mile-wide moon means that its gravitational field significantly varies along its surface.
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