Binary System

A binary star is a system of two stars that are gravitationally bound to and in orbit around each other.

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Exoplanet Discovered in a Binary System Could Explain Why Red Dwarfs Form Massive Planets

Two Stars in a Binary System are Very Different. It's Because There Used to be Three

Astronomers Discover Binary System of Free-Floating Planetary-Mass Objects

First detection of secondary supermassive black hole in a well-known binary system

“Amazing” – Astrophysicists Have Identified the Shortest-Period, Low-Mass Stellar Binary System Ever Observed

First Y brown dwarf binary system discovered

Astronomers Discover Exceptionally Short Period Ultracool Dwarf Binary System

This Binary System is Destined to Become a Kilonova

7-year eclipse reveals 'exceptionally rare' binary system with 1000-year orbit

Astronomers Unveil First 3D Model of a Planet Orbiting a Binary System

Water-World Super-Earth Found in Nearby Binary System

Astronomers Discover Binary System Ejecting Common Envelope at 450,000 MPH

Cosmic dust imaged by the airborne SOFIA observatory reveals a white dwarf eclipsing a variable star in a binary system.

A Recently Discovered Double Binary System is Unstable. Stars Could Collide, Leading to a Supernova

MIT Astronomers Discover Mysterious “Black Widow” Binary System

Planets Have Just Started to Form in This Binary System

HR 6819 is Binary System with No Black Hole, Astronomers Say

The axis of rotation of a black hole in a binary system is tilted more than 40 degrees relative to the axis of the stellar orbit. Scientists have often assumed this difference to be very small and the finding challenges current theoretical models of black hole formation.

A wide-orbit giant planet in the high-mass b Centauri binary system

SPHERE Directly Images Wide-Orbit Gas Giant in Nearby Binary System