binary star

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Earlier research at the University of Washington helped identify a system where a binary star and a large dust cloud produced an eclipse lasting seven years.

From Science Daily • Mar. 11, 2026

That may be because it’s a binary star, and the two stars move around each other on a mildly elliptical orbit, which could destabilize planetary orbits.

From Scientific American • Oct. 6, 2023

According to NASA, this "suggests that the protostar may in fact be an unresolved binary star," meaning there could actually be two stars beneath this mysterious cloud of molecules.

From Salon • Sep. 14, 2023

In theory, researchers think that this structure is a result of the clash between the red giant and a companion binary star.

From Space Scoop • Aug. 3, 2023

There is no doubt that each pair is a binary star, that is, the two stars move round each other very slowly, and possibly both pairs may also revolve round a common centre.

From Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science by Buckley, Arabella B.