dark star

American  

noun

Astronomy.

1. an invisible member of a binary or multiple star system.

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dark star British  

noun

1. an invisible star known to exist only from observation of its radio, infrared, or other spectrum or of its gravitational effect, such as an invisible component of a binary or multiple star

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Example Sentences

"Some of the most significant mysteries posed by the JWST's cosmic dawn data are in fact features of the dark star theory," Ilie said.

From Science Daily • Jan. 28, 2026

When its dark matter power source gives out, a dark star would quickly collapse into a 1-million-solar-mass black hole—a perfect large seed ready to be adopted by a nearby protogalaxy.

From Science Magazine • Aug. 22, 2023

Observing a dark star directly would be “off-the-charts” amazing, says Pearl Sandick, a theoretical particle physicist at the University of Utah who was not involved in the study.

From Scientific American • Jul. 20, 2023

That brightness is my worth — the light of possibility filling the space where the dark star of my uterus had been.

From Salon • Oct. 13, 2022

Stellato and Digges were not the only ones to think of the Earth as a dark star.

From "The Invention of Science" by David Wootton