What was a direct consequence of Rømer's speed of light discovery?
Revision of calendar
Improved map accuracy
Enhanced timekeeping
Development of electricity
Answer
Enhanced timekeeping was a direct consequence of Rømer's speed of light discovery. Rømer's observations of the eclipses of Jupiter's moons revealed that the time between eclipses varied depending on the Earth's position in its orbit. This led him to conclude that light travels at a finite speed, and that the observed variations in eclipse timing were due to the time it took light to travel from Jupiter to Earth.
Stargazing Through Time: The Ole Rømer Astronomical Challenge
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