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

In astronomy, a contact binary is a binary star system whose component stars are so close that they touch each other or have merged to share their gaseous...

bodies (such as comets). A star system of two stars is known as a binary star, binary star system or physical double star. If there are no tidal effects...

Planets in binary star systems may be candidates for supporting extraterrestrial life. Habitability of binary star systems is determined by many factors...

digital outlets. An action role-playing game, titled Made in Abyss: Binary Star Falling into Darkness (メイドインアビス 闇を目指した連星, Made in Abyss: Yami o Mezashita...

children Binary star, a star system with two stars in it Binary planet, two planetary bodies of comparable mass orbiting each other Binary asteroid,...

An Interacting binary star is a type of binary star in which one or both of the component stars has filled or exceeded its Roche lobe. When this happens...

optical telescopes. This occurs because the pair either forms a binary star (i.e. a binary system of stars in mutual orbit, gravitationally bound to each...

paradox, where the most-evolved star in a system is the least massive. The evolution of binary star and higher-order star systems is intensely researched...

lifetime and the mass-transfer rate in an X-ray binary depends on the evolutionary status of the donor star, the mass ratio between the stellar components...