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Diurnal motion

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Diurnal motion (from Latin diurnus 'daily', from Latin diēs 'day') is an astronomical term referring to the apparent motion of celestial objects (e.g. the Sun and stars) around Earth, or more precisely around the two celestial poles, over the course of one day. It is caused by Earth's rotation around its axis, so almost every star appears to follow a circular arc path, called the diurnal circle, often depicted in star trail photography.

Diurnal motion - Wikipedia Jump to content From Wikipedia, the free encyclopedia Apparent motion of celestial objects around Earth This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed. Find sources:   "Diurnal motion"  –  news   · newspapers   · books   · scholar   · JSTOR ( May 2021 ) ( Learn how and when to remove this message ) Star trails captured during a total lunar eclipse In astronomy , diurnal motion (from Latin diurnus '

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