binary system

Example Sentences

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EX Hydrae exists in a binary system alongside a normal main sequence star.

From Science Daily • Jan. 8, 2026

A nova happens in a close binary system when a white dwarf, the dense leftover core of a star, pulls gas from a nearby companion.

From Science Daily • Dec. 31, 2025

This strange new world orbits around two stars at once, which dance around each other in what astronomers call a binary system.

From Space Scoop • May 6, 2025

It’s a binary system; a choice of extremes.

From Los Angeles Times • Dec. 17, 2024

The common centre of gravity of a binary system is situated on a line between both stars, and distant from each in inverse proportion to their respective masses.

From The Astronomy of Milton's 'Paradise Lost' by Orchard, Thomas Nathaniel