Apedia

Sidereal Stars Sy Dee Ree Uhl Adjective Relating Measured Reference Apparent

Sidereal relates to the stars or is measured by their apparent motion, such as sidereal time.

Sidereal relates to the stars or is measured by their apparent motion, such as sidereal time.

Front sidereal \sy-DEE-ree-uhl\
Back adjective
1. Relating to the stars.
2. Measured with reference to the apparent motion of the stars. For example, sidereal time.

[From Latin sidus (star).]

"The silvery, coarse grain of Maisel's prints in negative makes it hard to tell whether they present day or night views. In several, a darkness looms different from that of sidereal night." - Kenneth Baker; 'Home Movies' Not Like the Ones Your Dad Made; San Francisco Chronicle; Apr 14, 2007. 

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