Definition of outer planet Outer planet
out•er plan•et
We found 2 definitions of outer planet from 2 different sources.
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What does outer planet mean?
WordNet
Noun |
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| outer planet - (astronomy) a major planet whose orbit is outside the asteroid belt (Jupiter, Saturn, Uranus, Neptune, Pluto) | ||
| 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 | ||
| solar system the sun with the celestial bodies that revolve around it in its gravitational field | ||
| astronomy, uranology the branch of physics that studies celestial bodies and the universe as a whole | ||
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