Rotation

In astronomy, rotation was the turning of a celestial body around its axis. The length of one day was measured by the amount of time it took for a celestial body to complete a full rotation. ()
This was one of the physical characteristics listed in a celestial body's file. (; )
The time of rotation for both Draygo IV and Vacca VI was listed in their planetary files. ()
== See also ==
* Orbital revolution
== External link ==
* 
Category:Astronomy