A full circle drawn right around the celestial sphere contains how many degrees?
A360
B180
C270
D540
Answer & Solution
Correct answer: A. 360
1. Angles around a complete circle are fixed by definition.
2. That total is three hundred and sixty degrees.
3. So the answer is 360.
_Source: OpenStax Astronomy 2e, Chapter 2, Observing the Sky: The Birth of Astronomy._
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