單項(xiàng)選擇題

Opposition occurs when（）.

A.the Sun，Earth，and Moon are at right angles
B.the Sun's declination is 0°and is moving south
C.an inferior planet is at the maximum angle to the line of sight to the Sun
D.the Earth is between a planet and the Sun

你可能感興趣的試題

單項(xiàng)選擇題

On mid-ocean waters，the height of a wind-generated wave is not affected by the（）.

A.water depth exceeding 100 feet
B.fetch
C.wind's velocity
D.duration of the wind

單項(xiàng)選擇題

Mars will not be visible（）.

A.at elongation angles near 180°
B.from quadrature to opposition
C.at conjunction
D.at opposition

无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

Opposition occurs when（）.

你可能感興趣的試題

On mid-ocean waters，the height of a wind-generated wave is not affected by the（）.

Mars will not be visible（）.

On mid-ocean waters，the height of a wind-generated wave is not affected by the（）.