你可能感興趣的試題

Apparent time is based on（）.

A.a fictitious sun moving along the celestial equator
B.the visible sun moving along the ecliptic
C.the Moon's motion in relation to the Sun
D.the movement of the first point of Aries

單項選擇題

Aphelion is the point where the Sun（）.

A.and Moon and Earth form a right angle
B.and Moon and Earth are in line
C.crosses the celestial equator
D.is farthest from the Earth