Over the period of 1 complete year, an observer at the South Pole would be able to see what fraction of the overall sky?
A) 50%
B) 100%
C) somewhat less than 50%, except in a leap year
D) a variable amount, depending on the observer's longitude

Question

Quizplus · Accepted Answer

An observer at the South Pole would be able to see 50% of the overall sky over the period of one complete year. This is because the Earth's rotation allows an observer at either pole to eventually see half of the celestial sphere, as the other half is always obscured by the Earth itself.

Over the Period of 1 Complete Year, an Observer at the South