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from | Encarta |  |
Celestial Sphere |
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| The celestial sphere is an imaginary globe surrounding Earth. Astronomers give stars coordinates from the globe to locate them just as geographers give latitude and longitude coordinates to places on Earth. Right ascension is the celestial equivalent of longitude, and declination is celestial equivalent of latitude. | ||||||
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| © Microsoft Corporation. All Rights Reserved. | ||||||
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| Appears in these articles: | ||||||
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| Coordinate System (astronomy); Astronomy; Precession; Observatory; Celestial Sphere; Ecliptic; Equator (astronomy) | ||||||
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