binary star, n.
a system of two stars that revolve around each other under their mutual gravitation
<noun.object>
binary binary star double star
semantic pointers
instance hyponym
Aldebaran
Algol
Alpha Centauri, Rigil Kent, Rigil
Altair
Antares
Epsilon Aurigae
Procyon
Rigel, Beta Orionis
Sirius, Dog Star, Canicula, Sothis
Vega
hypernym