Last Updated:2025/11/23
(astronomy, photography) The line of light recorded on a photographic medium when a time exposure is made of a star in the nighttime sky using a camera on a fixed mount, caused by the rotation of the earth during the period of time when the camera's shutter is held open.
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star trail
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Source Word
star trail
Noun
Japanese Meaning
天体写真において、固定されたカメラで長時間露光を行う際、地球の自転により星が描く光の軌跡の現象。 / 夜空を撮影する際に、星が放つ光が露光時間中に描く軌跡。
( plural )