What was Ole Rømer's approximation of the speed of light?
300,000 km/s
100,000 km/s
220,000 km/s
150,000 km/s
Answer
Ole Rømer's approximation of the speed of light was 220,000 km/s. He made this calculation in the late 17th century by observing the eclipses of Jupiter's moons. Rømer's approximation was significantly lower than the actual speed of light, which is approximately 299,792 km/s. However, it was a remarkable achievement for its time and helped to lay the foundation for our understanding of the nature of light.
Stargazing Through Time: The Ole Rømer Astronomical Challenge
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