A BINARY star is a system of TWO stars that orbit around each other. The term 'BINARY star' comes from the fact that these stars are often seen as a single point of light in the sky, and the word 'BINARY' means TWO. The crossword solutions for the term BINARY star are Capella (7 letters), Vega (4 letters), Algol (5 letters), ONES (4 letters), CODE (4 letters), and TWO (3 letters). Capella is a BINARY star system located in the constellation Auriga, Vega is the brightest star in the constellation Lyra, Algol is a BINARY star system located in the constellation Perseus, ONES is a BINARY star system located in the constellation Cepheus, CODE is a BINARY star system located in the constellation Draco, and TWO is a BINARY star system located in the constellation Aquila.