binary star

noun

: a system of two stars that revolve around each other under their mutual gravitation

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However, the existence of a white dwarf is not sufficient for a Type la supernova; the white draft must also be part of a binary star system, in which a pair of stars orbit a common center of mass. —

Julian Dossett, Space.com, 15 Jan. 2025 New York has no issue in that regard — second in offensive rating, third in shooting percentage and a binary star averaging more than 50 points per game. —

Steven Louis Goldstein, The Athletic, 15 Jan. 2025 In mid-December 2024, scientists discovered a pair of binary stars designated D9 orbiting each other close to Sagittarius A* (Sgr A*), the supermassive black hole at the heart of the Milky Way. —

Robert Lea, Space.com, 30 Dec. 2024 Scientists have never been able to detect the binary star system within the S-cluster -- until now. —

Julia Jacobo, ABC News, 17 Dec. 2024 See all Example Sentences for binary star