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Any planet of the Solar System whose orbit is located between the asteroid belt and the sun, i.e., any of Mercury, Venus, Earth, or Mars.See Also: outer planet
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inner planet
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inner planet — n. any of the four planets closest to the sun; Mercury, Venus, Earth, or Mars … English World dictionary
inner planet — Astron. any of the four planets closest to the sun: Mercury, Venus, the earth, or Mars. Also called terrestrial planet. Cf. outer planet. [1950 55] * * * … Universalium
inner planet — noun : one of the four principal planets whose orbits are innermost in the solar system Mercury, Venus, Earth, and Mars are the inner planets … Useful english dictionary
inner planet — noun Date: 1951 any of the planets Mercury, Venus, Earth, and Mars whose orbits are within the asteroid belt … New Collegiate Dictionary
inner planet — in′ner plan′et n. astron. any of the four planets closest to the sun: Mercury, Venus, Earth, or Mars • Etymology: 1950–55 … From formal English to slang
Planet — This article is about the astronomical object. For other uses, see Planet (disambiguation) … Wikipedia
inner — adj. & n. adj. (usu. attrib.) 1 further in; inside; interior (the inner compartment). 2 (of thoughts, feelings, etc.) deeper; more secret. n. Archery 1 a division of the target next to the bull s eye. 2 a shot that strikes this. Phrases and… … Useful english dictionary
Planet V — is a hypothetical fifth planet hypothesized by NASA scientists John Chambers and Jack Lissauer to have once existed between Mars and the asteroid belt, based on computer simulations. Chambers and Lissauer presented this idea during the 33rd Lunar … Wikipedia
Inner-grazer — is a class of solar orbits. This diagram shows the six possible types of orbits one planet can have in relation to another. The Sun is shown in the middle (the orange dot) and the outer planet s orbital band is in yellow. The orbit of the other… … Wikipedia
Inner peace — (or peace of mind) refers to a state of being mentally and spiritually at peace, with enough knowledge and understanding to keep oneself strong in the face of discord or stress. Being at peace is considered by many to be healthy (homeostasis) and … Wikipedia
