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dark star

American  

noun

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


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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See Examples For:

"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

And, yes, the brutally graphic song “Why’d Ya Do It,” the dark star that concludes “Broken English,” was originally intended for Tina Turner.

From New York Times Sep. 30, 2019

For Digges and Benedetti, even though they were Copernicans, from a vast distance the Earth, which received light but did not transmit it, would become a dark star.

From "The Invention of Science" by David Wootton

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