Online Dictionary

celestial coordinates Explained

celestial coordinates at English => English (The Britannica Concise) Of Explained:

Set of numbers used to pinpoint the position in space of a celestial object. Coordinate systems used include the horizon system (altitude and azimuth), galactic coordinates, the ecliptic system (measured relative to the orbital plane of the earth), and the equatorial system (right ascension and declination, directly analogous to terrestrial longitude and latitude).