English Dictionary

double planet

名詞

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.

日本語の意味

主惑星が存在するが、その衛星が、単独で惑星とみなされるほどの大きさ・質量を持ち、系全体の質量の大部分を占める天体システム（いわゆる二重惑星） / 二重惑星：惑星とその巨大な衛星が互いに重力で結ばれ、ほぼ互角の関係にあるため、両者を合わせたシステムが全体として惑星の性質を示す天体

Astronomers debated whether Pluto and Charon should be classified as a double planet because Charon's mass makes up a substantial portion of the system's overall mass.

天文学者たちは、カロンの質量が系全体のかなりの割合を占めているため、冥王星とカロンを二重惑星と分類すべきか議論した。

意味（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.

意味（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.

意味（3）

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

意味（4）

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

double planets （ plural ）