During one synodic rotation，a body makes one complete turn relative to the（）.

Diurnal aberration is due to（）.

A.motion of the Earth in its orbit
B.rotation of the Earth on its axis
C.the body's orbital motion during the time required for its light to reach the Earth
D.a false horizon

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Capella is found in what constellation? （）

A.Gemini
B.Auriga
C.Libra
D.Crab

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