celestial point


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Related to celestial point: north celestial pole
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Noun1.celestial point - a point in the heavens (on the celestial sphere)
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
antapex - the point opposite in direction from the solar apex; the point the solar system is moving away from
apoapsis, point of apoapsis - (astronomy) the point in an orbit farthest from the body being orbited
node - (astronomy) a point where an orbit crosses a plane
equinoctial point, equinox - (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
celestial sphere, empyrean, firmament, heavens, vault of heaven, welkin, sphere - the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
culmination - (astronomy) a heavenly body's highest celestial point above an observer's horizon
nadir - the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected
periapsis, point of periapsis - (astronomy) the point in an orbit closest to the body being orbited
point - the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street"
celestial pole, pole - one of two points of intersection of the Earth's axis and the celestial sphere
zenith - the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected
exaltation - the location of a planet in the zodiac at which it is believed to exert its maximum influence
References in periodicals archive ?
That celestial point stacking machines are a further modern set up and innovatively on top of to direct beneath purify through water and power than a supported scraped space framework.
Therefore, it seems unnecessary to suggest any need for the caterpillars to use a celestial point source of light for navigation; after all, in order to go about their nocturnal business, all that these particular caterpillars need to do is to follow the silken tube upwards from the soil to the feeding site amongst the branches.
The rapidly changing index deforms the wavefronts of incoming starlight so that the radiation appears to twinkle and come from a fuzzy blob instead of a celestial point.