天文测星定位？

迟项南 6小时前

The purpose of astr开发者_StackOverflow中文版onomical star positioning is to enable us to accurately locate points in the sky and map out their positions in relation to other stars and constellations. It is also used for navigation and timekeeping. Astronomers use star positioning to measure the distance of stars from Earth, to study the properties of stars, to predict eclipses, and to measure the motions of stars and galaxies. Astronomical star positioning can also be used to search for planets and other celestial bodies.

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