Capella is found in what constellation? （）

Because the actual center of some planets may differ from the observed center，the navigator applies a correction known as the（）.

A.phase correction
B.refraction correction
C.semidiameter correction
D.augmentation correction

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As observed from the Earth，the angle between lines from the Earth to the Sun and the Earth to an inferior planet is known as（）.

A.elongation
B.conjunction
C.opposition
D.quadrature

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