單項(xiàng)選擇題

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

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

你可能感興趣的試題

單項(xiàng)選擇題

In working out a local apparent noon sight for your latitude，you subtract the Ho from 90°. The 90°represents the angular distance from（）.

A.the equator to the elevated pole
B.your horizon to your zenith
C.your zenith to the elevated pole
D.the geographical position of the Sun to the elevated pole

單項(xiàng)選擇題

In the navigational triangle，the angle at the elevated pole is the（）.

A.meridian angle
B.altitude
C.right ascension
D.azimuth angle

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

你可能感興趣的試題

In working out a local apparent noon sight for your latitude，you subtract the Ho from 90°. The 90°represents the angular distance from（）.

In the navigational triangle，the angle at the elevated pole is the（）.

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In working out a local apparent noon sight for your latitude，you subtract the Ho from 90°. The 90°represents the angular distance from（）.