All double star synonyms
dou·ble star
D d noun double star
- binary star — a double star system comprising two stars orbiting around their common centre of mass. A visual binary can be seen through a telescope. A spectroscopic binary can only be observed by the spectroscopic Doppler shift as each star moves towards or away from the earth
- binary system — a system involving only two elements, as 0 and 1 or yes and no.