Last Updated：2025/11/20

(astronomy) A stellar system in which two stars orbit around their center of mass; double star.

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binary star

Source Word

binary star

Noun

(astronomy) A stellar system in which two stars orbit around their center of mass; double star.

Japanese Meaning

二重星：重心の周りを二つの星が共に公転する恒星系。

The telescope detected a distant binary star whose two components orbit each other every 120 days.

望遠鏡は遠方の連星を検出し、その二つの星は120日ごとに互いの周りを公転している。

Sense（1）

(astronomy) A stellar system in which two stars orbit around their center of mass; double star.

binary stars

（ plural ）