(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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Mean solar time
(astronomy) time based on the motion of the mean sun (an imaginary sun moving uniformly along the celestial equator)
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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 equinoctial point that lies in the constellation of Virgo
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.
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Words connected by meaning
Their definitions overlap or refer to similar ideas. Use these to widen your search, then compare the exact meanings.
A small periodical change of position in the stars and other heavenly bodies, due to the combined effect of the motion of light and th…
Its definition shares important concepts with this word: astronomy, time, based, motion, mean.(astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
Its definition shares important concepts with this word: astronomy, time, based, motion, mean.(astronomy) apparent meeting or passing of two or more celestial bodies in the same degree of the zodiac
Its definition shares important concepts with this word: astronomy, time, based, motion, mean.the branch of astronomy that deals with the measurement of the position and motion of celestial bodies
Its definition shares important concepts with this word: astronomy, time, based, motion, mean.Of or pertaining to astronomy; in accordance with the methods or principles of astronomy.
Its definition shares important concepts with this word: astronomy, time, based, motion, mean.the branch of astronomy concerned with the physical and chemical properties of celestial bodies
Its definition shares important concepts with this word: astronomy, time, based, motion, mean.One of thirty regions or zones, parallel to the equator, into which the surface of the earth from the equator to the pole was divided,…
Its definition shares important concepts with this word: astronomy, time, based, motion, mean.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, time, based, motion, mean.(astronomy) apparent meeting or passing of two or more celestial bodies in the same degree of the zodiac
Its definition shares important concepts with this word: astronomy, time, based, motion, mean.(astronomy) a heavenly body's highest celestial point above an observer's horizon
Its definition shares important concepts with this word: astronomy, time, based, motion, mean.(astronomy) the angular distance of a celestial body north or to the south of the celestial equator; expressed in degrees; used with r…
Its definition shares important concepts with this word: astronomy, time, based, motion, mean.(astronomy) the reappearance of a celestial body after an eclipse
Its definition shares important concepts with this word: astronomy, time, based, motion, mean.
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