inferior planet


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Related to inferior planet: Interior planets

inferior planet

n.
Either of the planets Mercury or Venus, whose orbits lie between Earth and the sun.

inferior planet

n
(Celestial Objects) either of the planets Mercury and Venus, whose orbits lie inside that of the earth
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.inferior planet - any of the planets whose orbit lies inside the earth's orbitinferior planet - any of the planets whose orbit lies inside the earth's orbit
major planet, planet - (astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction
References in classic literature ?
One moment, Michel," answered Barbicane; "if you wish to play the part of Gulliver, only visit the inferior planets, such as Mercury, Venus, or Mars, whose density is a little less than that of the earth; but do not venture into the great planets, Jupiter, Saturn, Uranus, Neptune; for there the order will be changed, and you will become Lilliputian.
Mercury will transition out of the morning sky and into the evening sky as the inferior planet reaches its superior conjunction on February 17, 2018.
The year 2012 is the 50th anniversary of Wegner's paper, and therefore an appropriate moment to recall the historical problems of mapping that most elusive inferior planet.

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