(astronomy) the magnitude that a star would have if it were viewed from a distance of 10 parsecs (32.62 light years) from the earth
Used in the same subject area: Physics, Astrophysics.
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Autumnal equinox
(astronomy) the equinoctial point that lies in the constellation of Virgo
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(astronomy) the point in an orbit farthest from the body being orbited
Used in the same subject area: Physics, Astrophysics.(astronomy) the common center of mass around which two or more bodies revolve
Used in the same subject area: Physics, Astrophysics.(astronomy) the angular distance of a celestial body north or to the south of the celestial equator; expressed in degrees; used with r…
Used in the same subject area: Physics, Astrophysics.(astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to…
Used in the same subject area: Physics, Astrophysics.(astronomy) Copernicus' astronomical model in which the Earth rotates around the sun
Used in the same subject area: Physics, Astrophysics.(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is…
Used in the same subject area: Physics, Astrophysics.(astronomy) the angular distance of a celestial body north or to the south of the celestial equator; expressed in degrees; used with r…
Used in the same subject area: Physics, Astrophysics.(astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities…
Used in the same subject area: Physics, Astrophysics.(astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic
Used in the same subject area: Physics, Astrophysics.(astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust; "‘extragalactic…
Used in the same subject area: Physics, Astrophysics.(astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the righ…
Used in the same subject area: Physics, Astrophysics.(astronomy) the generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from…
Used in the same subject area: Physics, Astrophysics.(astronomy) the generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from…
Used in the same subject area: Physics, Astrophysics.(astronomy) the angle between the plane of the orbit and the plane of the ecliptic stated in degrees
Used in the same subject area: Physics, Astrophysics.(astronomy) the angle between the plane of the orbit and the plane of the ecliptic stated in degrees
Used in the same subject area: Physics, Astrophysics.(astronomy) the alignment of the Earth and a planet on the same side of the sun
Used in the same subject area: Physics, Astrophysics.(astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler
Used in the same subject area: Physics, Astrophysics.
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Their definitions overlap or refer to similar ideas. Use these to widen your search, then compare the exact meanings.
A large constellation in the southern hemisphere, called also Argo Navis. In modern astronomy it is replaced by its three divisions, C…
Its definition shares important concepts with this word: astronomy, equinoctial, point, lies, constellation.(astronomy) a cluster of stars (or a small constellation)
Its definition shares important concepts with this word: astronomy, equinoctial, point, lies, constellation.Of or pertaining to astronomy; in accordance with the methods or principles of astronomy.
Its definition shares important concepts with this word: astronomy, equinoctial, point, lies, constellation.One of two great circles intersecting at right angles in the poles of the equator. One of them passes through the equinoctial points,…
Its definition shares important concepts with this word: astronomy, equinoctial, point, lies, constellation.(astronomy) a heavenly body's highest celestial point above an observer's horizon
Its definition shares important concepts with this word: astronomy, equinoctial, point, lies, constellation.The Numidian crane (Anthropoides virgo); -- so called on account of the grace and symmetry of its form and movements.
Its definition shares important concepts with this word: astronomy, equinoctial, point, lies, constellation.Toward the rising sun; or toward the point where the sun rises when in the equinoctial; as, the east gate; the east border; the east s…
Its definition shares important concepts with this word: astronomy, equinoctial, point, lies, constellation.Toward the east; in the direction of east from some point or place; as, New Haven lies eastward from New York.
Its definition shares important concepts with this word: astronomy, equinoctial, point, lies, constellation.A great circle of the celestial sphere, making an angle with the equinoctial of about 23? 28'. It is the apparent path of the sun, or…
Its definition shares important concepts with this word: astronomy, equinoctial, point, lies, constellation.(astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is…
Its definition shares important concepts with this word: astronomy, equinoctial, point, lies, constellation.The great circle of the celestial sphere, coincident with the plane of the earth's equator; -- so called because when the sun is in it…
Its definition shares important concepts with this word: astronomy, equinoctial, point, lies, constellation.Pertaining to the time of equal day and night; -- applied to the equinoctial line.
Its definition shares important concepts with this word: astronomy, equinoctial, point, lies, constellation.
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