double planet

名词 n.
中文释义

英文释义

名词 n.
  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.
  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.
  3. A pair of planemos in orbit around each other, where the barycenter of their orbits lies outside of both planemos.
  4. A planemo with a moon large enough to be considered a planemo, having a substantial portion of the system's overall mass.

词形变化

double planets plural
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