Double-planet Definition
noun
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.
Wiktionary
A pair of planemos in orbit around each other, where the barycenter of their orbits lies outside of both planemos.
Wiktionary
Other Word Forms of Double-planet
Noun
Singular:
double-planet
Plural:
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