The distance to mars is 7.5 x 1010 meters how long does it take for a radio signal from mars pathfinder to be received by nasa on earth?

Answer light travels at approximately 300,000,000 m/s, so to pass 7.5*1010 meters it would take: 7.5*1010/300,000,000=250 seconds = 4.167 minutes P.S. Mars is not that close, in real life the signal ta... Read More »

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