It is difficult to determine which limb of the Moon is fully illuminated（）. -题库考试答案搜索网

It is difficult to determine which limb of the Moon is fully illuminated（）.

单选题

2022-01-02 00:38

A、when the Moon is low in the sky at rising or setting
B、at the new Moon phase
C、when taking Moon sights during daylight
D、when the terminator is nearly vertical

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正确答案

D

试题解析

标签：天文航海

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