Microsoft Rewards Bing Earth Quiz: Measured around the equator, what’s the Earth’s circumference?
A 12,358 miles
B 24,901 miles
C 247,365 miles
The measurement of Earth around the equator is 24,901 miles, plus about a half-mile more. Perhaps that extra bit is from all the bulging caused by centripetal force.
The correct answer is 24,901 miles.