首页 > Term: mensual aberration
mensual aberration
A component of stellar aberration caused by the revolution of the Earth and Moon about their common center of mass. It is approximately equal to 0". 011 cos HM, where HM is the hour angle of the Moon. This is a small quantity, taken into account when determining the deflection of the vertical from astronomical observations.
- 词性: noun
- 行业/领域: 地球科学
- 类别 绘图科学
- Company: American Congress on Surveying & Mapping
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- Sean64
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