Glossary term: 自轉
Description: 自轉是物體繞一條假想軸（稱為自轉軸）的運動。當物體自轉時，其各個部分與自轉軸保持完全相同的距離。一般來說，恆星（包括太陽）、行星、衛星或小行星都會圍繞一個固定的軸旋轉。地球圍繞地軸旋轉，地軸是穿過地球南北兩極的假想軸。地球表面的每個觀察者都能看到夜空景象的變化，星星不斷從東邊地平線升起，沿著西邊地平線落下，這就是地球自轉的結果。太陽一天中的東昇西落也是地球自轉的結果。
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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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