What is travel time of light from moon to earth
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The moon is just under 250,000 miles from Earth, so light from the Moon's surface has to travel more than one second (about 1.3 seconds) to reach us. Among other things, the astronauts left reflecting mirrors on the moon.
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1.3secondsThe speed of light is about 300 000 km per second, so light takes 1.28 seconds to travel from the Moon to the Earth
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