Encyclopedia > Diurnal motion

  Article Content

Diurnal motion

Diurnal motion is an astronomical term referring to the apparent daily motion of stars in "orbit" around the Earth. It is important to note that stars only appear to be orbiting the Earth. Such motion can be shown by time-exposure[?] photography. Some of the more circumpolar stars may appear to be motionless.

See also: celestial sphere positional astronomy



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Thomas a Kempis

... carried it with him to the battlefield. Few books have had so extensive a circulation. The number of counted editions exceeds 2,000; and 1,000 differ ...

 
 
 
This page was created in 30.2 ms