Multiple Choice
The first reliable method developed to measure the speed of light involved
A) careful observation of the motions of the moons of Jupiter at different times in Jupiter's orbit.
B) observing the opening and closing of shutters on lanterns on hilltops separated by a known distance.
C) bouncing a beam of light off several different mirrors.
D) making careful measurements of the orbital path of the Moon around Earth.
Correct Answer:

Verified
Correct Answer:
Verified
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