Science Homework Help
Science Homework Help. Radio signals from the Pathfinder probe
Radio signals from the Pathfinder probe on Mars travel at 3.0 x 105 km/s. When Mars is on the opposite side of the sun as Earth, the distance is 2.52 AU. How long does the signal take to get to Earth? (1 AU = 1.5 x 108 km, distance = speed X time)
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