Trends ofbinary star
View usage for:
binary star in British English
noun
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
Sometimes shortened to: binary. See also optical double star, eclipsing binarybinary star in American English
two stars revolving around a common center of gravity; double star
Image ofbinary star
© Catmando, shutterstock