binary star
(astronomy) A stellar system in which two stars orbit around their center of mass; double star.
(law) A spouse who would likely stand to inherit under a will, but was not included in the will because he or she was not yet married to the testator at the time the will was written.
plural of Chorezmian
(rare) The quality or condition of having a source.
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。
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