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The people behind Mars missions literally live on a different clock

Mars' days are about 40 minutes longer than Earth's, so for the people who command the Mars rovers, every work day shifts by 40 minutes, writes Ryan Smith. "You really quickly either go out of sync with your family and spend whole days where you're on the opposite schedule, or you allow that family to pull you out of the Mars day-night cycle, so you're never fully in sync with the work that you're doing," says Matthew Shindell.

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