How was the speed of light measured in a precise way? by timing the speed of falling meteorites by using rotating mirrors to measure light’s round trip travel to a distant mountain by timing how long it

How was the speed of light measured in a precise way?

by timing the speed of falling meteorites
by using rotating mirrors to measure light’s round trip travel to a distant mountain
by timing how long it takes for an assistant far away to turn on a lantern after the
scientist turns one on
by watching for eclipses

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How was the speed of light measured in a precise way? by timing the speed of falling meteorites by using rotating mirrors to measure light’s round trip travel to a distant mount…

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