Posts Tagged ‘placed’
Could a special mirror be placed on the moon so that people shining a laser on it can get a reflection back?
….NOT perpetually, of course: it could be made to reflect only on command on “special” nights, otherwise it could be bothersome: maybe it couldn’t be possible due to the atmosphere dissipating the laser light…..
Physics Question: By bouncing laser beams off a reflector placed on our moon by the Apollo astronauts,?
By bouncing laser beams off a reflector placed on our moon by the Apollo astronauts, astronomers can make very accurate measurements of the earth-moon distance. How long after it is sent does it take such a laser beam (which is just a light beam) to return to earth?
Answers I have tried but failed: 1.2, 1.3, 1.35, 1.4
answer should be in seconds. Tried 1.2 s ,1.3s, etc