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mean planet. In DICTIOUS you will not only get to know all the dictionary meanings for the word
mean planet, but we will also tell you about its etymology, its characteristics and you will know how to say
mean planet in singular and plural. Everything you need to know about the word
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English
Noun
mean planet (plural mean planets)
- (astronomy, celestial mechanics) An imaginary celestial body (corresponding to another, real, orbiting one) which orbits with constant speed along an auxiliary circle (a circle which shares a diameter with the major axis of the elliptical orbit of the corresponding real celestial body), such that its position coincides with the position of the corresponding, real celestial body when that body passes through periapsis.
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