celestial sphere

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see also: Celestial Sphere

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Noun

celestial sphere (plural celestial spheres)

1. (astronomy) An abstract sphere of infinite radius which serves as the imaginary backdrop for celestial objects, and of which the visible sky is one hemisphere.

Synonyms

• empyrean
• firmament
• heavens
• vault of heaven
• welkin

Translations

• French: sphère céleste
• German: Himmelskugel
• Italian: sfera celeste
• Portuguese: esfera celeste
• Russian: небе́сная сфе́ра
• Spanish: esfera celeste

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Celestial Sphere

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Proper noun

1. Alternative spelling of celestial sphere

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