Meaning of double planet | Babel Free
Definitions
- 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.
- 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.
- A pair of planemos in orbit around each other, where the barycenter of their orbits lies outside of both planemos.
- A planemo with a moon large enough to be considered a planemo, having a substantial portion of the system's overall mass.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.