(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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(astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions
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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
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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, measure, time, defined, earth.(astronomy) position of a planet as defined by its angular distance from its perihelion (as observed from the sun)
Its definition shares important concepts with this word: astronomy, measure, time, defined, earth.Of or pertaining to astronomy; in accordance with the methods or principles of astronomy.
Its definition shares important concepts with this word: astronomy, measure, time, defined, earth.Pertaining to an average or mean; medial; containing a mean proportion; of a mean size, quality, ability, etc.; ordinary; usual; as, a…
Its definition shares important concepts with this word: astronomy, measure, time, defined, earth.The distance through which one part of connected machinery, as a wheel, piston, or screw, can be moved without moving the connected pa…
Its definition shares important concepts with this word: astronomy, measure, time, defined, earth.A Hebrew measure containing the tenth of a homer, or five gallons and three pints, as a measure for liquids; and two pecks and five qu…
Its definition shares important concepts with this word: astronomy, measure, time, defined, earth.a terrestrial or aquatic flesh-eating mammal; "terrestrial carnivores have four or five clawed digits on each limb"
Its definition shares important concepts with this word: astronomy, measure, time, defined, earth.A writ issuing out of chancery, or a superior court, to call up the records of a inferior court, or remove a cause there depending, in…
Its definition shares important concepts with this word: astronomy, measure, time, defined, earth.An apparatus for showing the position of the earth, at any given time, with respect to the fixed stars. It consist of a hollow glass g…
Its definition shares important concepts with this word: astronomy, measure, time, defined, earth.A quantity to be applied in computing the mean place or other element of a celestial body; that is, any one of the several quantities…
Its definition shares important concepts with this word: astronomy, measure, time, defined, earth.Level, smooth, or equal in surface; not rough; free from irregularities; hence uniform in rate of motion of action; as, even ground; a…
Its definition shares important concepts with this word: astronomy, measure, time, defined, earth.A measure of capacity, containing four quarts; -- used, for the most part, in liquid measure, but sometimes in dry measure.
Its definition shares important concepts with this word: astronomy, measure, time, defined, earth.
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