double planet

短语

词形变化

double planets 复数 double planets

释义与例句

n.
  1. 1.

    A planet with a moon large enough to be considered a planet, were the planet not there, having a substantial portion of the system's overall mass.

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  2. 2.

    A pair of planemos in orbit around each other, where the barycenter of their orbits lies outside of both planemos, which in turn is in orbit about a star.

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  3. 3.

    A pair of planemos in orbit around each other, where the barycenter of their orbits lies outside of both planemos.

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  4. 4.

    A planemo with a moon large enough to be considered a planemo, having a substantial portion of the system's overall mass.

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