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 ?
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.