star trails

listen to the pronunciation of star trails
الإنجليزية - الإنجليزية
plural form of star trail
star trail
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

The idea behind photographing star trails is wonderfully simple. Just take your old mechanical camera, point it skyward, and leave the shutter open.

star trails
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