The Mars rovers carry no clocks set to Earth time, so the engineers driving them shifted their entire lives to a 24-hour-39-minute Martian day, and within weeks JPL staff were sleeping during California afternoons, eating breakfast at midnight, and quietly develo - Space Daily

The Mars rovers carry no clocks set to Earth time, so the engineers driving them shifted their entire lives to a 24-hour-39-minute Martian day, and within weeks JPL staff were sleeping during California afternoons, eating breakfast at midnight, and quietly develo Space Daily