連れん星せいれんせいMeanings1nounbinary starastronomyAstronomy term for a system of two stars orbiting a common center of mass.連れん星せいは、互たがいの重じゅう力りょくで結むすびついた二ふたつの星ほしからなる。A binary star consists of two stars bound together by their mutual gravity.
