If three or more stars interact with each other, they form a multiple star system ,若有三顆或更多的星互相影響,我們則稱(chēng)之為多重星或聚星。
When compared with the multiple star systems, they consist of many more stars, from tens to millions 相對(duì)于多重星,星團(tuán)內(nèi)恒星的數(shù)目多很多,由數(shù)十以至數(shù)百萬(wàn)顆不等。
Nature of the universe-chapter thirteen our sun is a single star with approximately constant brightness . in fact, in the universe, many stars are not alone, they interact with each other to form binary or multiple star systems 我們的太陽(yáng)在太空中孤獨(dú)地發(fā)放穩(wěn)定的光芒,但在宇宙中,很多星星并不會(huì)單獨(dú)地存在,而是和其它恒星組成雙星或甚至多重星系統(tǒng)。