celestial sphere


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celestial sphere

celestial sphere

n.
An imaginary sphere of infinite extent with the earth at its center and on which the stars, planets, and other heavenly bodies appear to be located.

celestial sphere

n
(Astronomy) an imaginary sphere of infinitely large radius enclosing the universe so that all celestial bodies appear to be projected onto its surface

celes′tial sphere′


n.
the imaginary, infinite sphere formed by the sky, the center of which is a given observer's position.
[1875–80]
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celestial sphere

celestial sphere

An imaginary sphere with Earth at its center. The stars, planets, sun, moon, and other heavenly bodies appear to be located on this sphere.

celestial sphere

An imaginary sphere of infinite radius concentric with the Earth, on which all celestial bodies except the Earth are imagined to be projected.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.celestial sphere - the apparent surface of the imaginary sphere on which celestial bodies appear to be projectedcelestial sphere - the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
apex of the sun's way, solar apex, apex - the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars
celestial point - a point in the heavens (on the celestial sphere)
nadir - the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected
surface - the extended two-dimensional outer boundary of a three-dimensional object; "they skimmed over the surface of the water"; "a brush small enough to clean every dental surface"; "the sun has no distinct surface"
zenith - the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected
zodiac - a belt-shaped region in the heavens on either side to the ecliptic; divided into 12 constellations or signs for astrological purposes
Translations
References in classic literature ?
The whole extent of the celestial sphere swarmed with stars and constellations of wonderful purity, enough to drive an astronomer out of his mind
There are now 88 officially recognised constellations of various shapes and sizes, all with defined boundaries spread out across the celestial sphere.
constellation A grouping of stars, usually with pictorial or mythical associations, that serves to identify an area of the celestial sphere.
The Southern Sky coin series was crafted in stunning fine silver and coloured printed to emulate their presence in the celestial sphere.
7 million images, mapping the sky one and a half times and creating a complete atlas of the celestial sphere.
In month of Bak in the Buddhist calendar (or the month of April according to the Gregorian calendar), when the sun moves (in an astrological sense) from the Meena Rashiya (House of Pisces) to the Mesha Rashiya (House of Aries) in the celestial sphere is when Sri Lanka celebrates its New Year.
First European satellite dedicated to the cosmic microwave background (CMB), Planck studied this radiation by measuring temperatures fluctuations throughout the celestial sphere.
Wandering across the celestial sphere, the vagrant will pass close to Mars, Uranus, the thin crescent Moon and the Andromeda galaxy.
When Thor is cast out of Asgard, he ends up on Earth where scientist Jane Foster is investigating the celestial sphere.
Mirror symmetry of the histogram sequences around an equinox means that histogram shape depends on how far distant is the celestial body from the equator plane, whatever on the northern or southern side of the celestial sphere.
The Ever Changing Sky - a guide to the Celestial Sphere.
That is, the sun, moon, stars, and celestial sphere can be viewed either as three distinct elements or species, in which case they have certain properties, or they can be taken together according to their common nature, as the generic element of the heavenly sphere, in which case they would have different properties than when they are considered as specific elements.