Glossary term: 脈衝星
Description: 脈衝星是一顆快速旋轉的中子星，它的強磁場會產生兩束方向相反的強烈輻射。當它掠過我們的視線方向時，射電望遠鏡可以探測到這種輻射的短暫脈衝。脈衝星的直徑約為 10-20 公里，質量通常是太陽的 1.5 倍。它們每秒旋轉一次到幾百次不等，可以作為非常精確的時鐘。有些脈衝星被探測到是伽馬射線或 X 射線源。在我們的銀河系中已經探測到 3000 多顆脈衝星。此外，在銀河系外的麥哲倫雲中也探測到了大約 30 顆脈衝星。脈衝星是星際介質的探測器，也是廣義相對論的測試工具，還可能用於探測黑洞合併產生的引力波。
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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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