(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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Inferior planet
any of the planets whose orbit lies inside the earth's orbit
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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: planets, orbit, lies, inside, earth.apoapsis in solar orbit; the point in the orbit of a planet or comet that is at the greatest distance from the sun
Its definition shares important concepts with this word: planets, orbit, lies, inside, earth.apoapsis in Earth orbit; the point in its orbit where a satellite is at the greatest distance from the Earth
Its definition shares important concepts with this word: planets, orbit, lies, inside, earth.The situation of planets or stars with respect to one another, or the angle formed by the rays of light proceeding from them and meeti…
Its definition shares important concepts with this word: planets, orbit, lies, inside, earth.A starlike body; esp. one of the numerous small planets whose orbits lie between those of Mars and Jupiter; -- called also planetoids…
Its definition shares important concepts with this word: planets, orbit, lies, inside, earth.To confine, restrain, or hold by physical force or influence of any kind; as, attraction binds the planets to the sun; frost binds the…
Its definition shares important concepts with this word: planets, orbit, lies, inside, earth.The act of moving or revolving around, or as in a circle or orbit; a revolution; as, the periodical circuit of the earth round the sun.
Its definition shares important concepts with this word: planets, orbit, lies, inside, earth.Relative position or aspect of the planets; the face of the horoscope, according to the relative positions of the planets at any time.
Its definition shares important concepts with this word: planets, orbit, lies, inside, earth.In the Ptolemaic system, the supposed circular orbit of a planet about the earth, but with the earth not in its center.
Its definition shares important concepts with this word: planets, orbit, lies, inside, earth.The ratio of the distance of the center of the orbit of a heavenly body from the center of the body round which it revolves to the sem…
Its definition shares important concepts with this word: planets, orbit, lies, inside, earth.any of the four outermost planets in the solar system; much larger than Earth and gaseous in nature (like Jupiter)
Its definition shares important concepts with this word: planets, orbit, lies, inside, earth.A twelfth part of the heavens, as divided by six circles intersecting at the north and south points of the horizon, used by astrologer…
Its definition shares important concepts with this word: planets, orbit, lies, inside, earth.
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