Glossary term: 引力波
Description: 愛因斯坦的廣義相對論預言了引力波的存在：以光速傳播的時空波紋。產生這種波的一種方法是兩個物體相互繞行。引力波最早是通過觀測雙星 PSR B1913+16 （一顆中子星和一顆脈衝星圍繞一個共同的質量中心運行）推斷出來的。由於它通過輻射引力波來損耗能量，因此軌道週期逐漸縮短。
2015 年 9 月，激光干涉儀引力波天文臺（LIGO）的兩個引力波探測器首次探測到引力波。引力波可以攜帶任何其他手段都無法獲取的天體信息，特別是關於運行和合併的黑洞或中子星的信息。
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Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher The translation of this term and its definition is still awaiting approval
This is an automated transliteration of the simplified Chinese translation of this term
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