| Astronomy. a chart or map showing the relative apparent positions of the stars, as seen from the earth, in a particular area of the sky. |
star map
any cartographic representation of the stars, galaxies, or surfaces of the planets and the Moon. Modern maps of this kind are based on a coordinate system analagous to geographic latitude and longitude. In most cases, modern maps are compiled from photographic observations made either with Earth-based equipment or with instruments carried aboard spacecraft.
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