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The Moon's Distance from Earth Is Measured Very Accurately by Bouncing

Question 73

Multiple Choice

The Moon's distance from Earth is measured very accurately by bouncing a laser beam off of a small mirror left on the surface of the Moon. If a laser is fired at the Moon and the signal returns in 2.6 seconds, what is the distance to the Moon


A) 390,000 km
B) 390,000 m
C) 780,000 km
D) 780,000 m

Correct Answer:

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