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Definition of Major planet
1. Noun. (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.
Category relationships: Astronomy, Uranology
Terms within: Biosphere
Generic synonyms: Celestial Body, Heavenly Body
Specialized synonyms: Evening Star, Hesperus, Vesper
Specialized synonyms: Inferior Planet, Gas Giant, Jovian Planet, Daystar, Lucifer, Morning Star, Phosphorus, Outer Planet, Superior Planet, Terrestrial Planet
Group relationships: Solar System
Derivative terms: Planetal, Planetary
Definition of Major planet
1. Noun. (astronomy) Any of the 8 celestial bodies which orbit the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. ¹
2. Noun. (astronomy) Any planet that is significantly larger and more massive than Earth, containing large amounts of hydrogen and helium, such as Jupiter and Neptune. ¹
3. Noun. (astronomy) Those planets that are larger than the Earth; specifically Jupiter , Saturn , Uranus , Neptune (gloss in the Solar System) ¹
4. Noun. (astronomy) a celestial body that fits the 2006 IAU definition of planet ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Major Planet
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