| NOUN | object | binary star, binary, double star | a system of two stars that revolve around each other under their mutual gravitation |
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| Meaning | A system of two stars that revolve around each other under their mutual gravitation. | |
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| Synonyms | binary, double star | |
| Instances | Aldebaran | The brightest star in Taurus |
| Algol | The second brightest star in Perseus | |
| Alpha Centauri, Rigil Kent, Rigil | brightest star in Centaurus | |
| Altair | double star 15.7 light years from Earth | |
| Antares | The brightest star in Scorpius | |
| Epsilon Aurigae | The largest known star | |
| Procyon | The brightest star in Canis Minor | |
| Rigel, Beta Orionis | The brightest star in Orion | |
| Sirius, Dog Star, Canicula, Sothis | The brightest star in the sky | |
| Vega | The brightest star in the constellation Lyra | |
| Broader | star | (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior |
| Spanish | estrella binaria, estrella doble | |
| Catalan | estel binari, estel doble, estrella binària, estrella doble | |
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