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

---

Example Sentences

See Examples For:

dark star

They can have dark star spots and bright regions, which can create signals that mimic a planet's atmospheric attributes.

From Science Daily ● Jan. 9, 2024

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

Of those nine, three were a good match to what a dark star would look like.

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

She imagined him dropping like a dark star out of the sky that he had made.

From "The God of Small Things" by Arundhati Roy