Glossary term: 星軌
Description: 在天體攝影中，星軌是使用超長曝光時間拍攝的夜空圖像。這是相機隨地球旋轉的結果，星星在夜空中的運動會在圖像中留下痕跡。星軌顯示了地球的晝夜運動，如果相機對準天體北極或南極，星軌就會以天空中的極點位置為中心形成半圓。此外，星軌圖案還可用於確定觀測者的緯度。星軌圖像也可以通過在一段時間內進行一系列短時間曝光，然後在照片編輯軟件中將它們堆疊（疊加）在一起製作而成。
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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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Credit: Dario Giannobile/IAU OAE
License: CC-BY-4.0 Creative Commons 姓名標示 4.0 國際 (CC BY 4.0) icons
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License: CC-BY-4.0 Creative Commons 姓名標示 4.0 國際 (CC BY 4.0) icons
