Star-trail Definition

noun

(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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Other Word Forms of Star-trail

Noun

Singular:
star-trail
Plural:
star-trails

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star-trail