Multiple Choice
Why do observers see Cassiopeia sometimes right side up and sometimes upside down?
A) The stars physically move in space, completing a circle around Polaris once each 24 hours.
B) The stars physically move in space, completing a circle around Polaris once each year.
C) Viewed from Earth, all of the northern circumpolar constellations complete a circle around Polaris once every 24 hours (because of Earth's spin) .
D) to teach her humility
Correct Answer:
Verified
Correct Answer:
Verified
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