Astro*Dictionary by Michael Erlewine
4 articles for "Rotation"
Rotation [Astro*Index]The spinning of a body on its axis. One rotation is commonly called a day.
See also:Rotation [Munkasey M.]
♦ Galactic Rotation ♦ Stellar Rotation ♦ Day
The daily spinning of a body on its Axis. It is this movement of the Earth which gives the daily cycle its life.
See also:Rotation [Munkasey M.]
♦ Galactic Rotation ♦ Stellar Rotation ♦ Day
Preferably confined to the motion of a spherical body upon an axis, in contradistinction to its orbital revolution about another body. A more precise terminology would employ the compound forms: axial rotation, and orbital revolution.
See also:Rotation Period [Astro*Index]
♦ Galactic Rotation ♦ Stellar Rotation ♦ Day
The interval of time required for a planet to make one complete turn on its spin-axis in reference to the fixed stars.
See also:
♦ Rotation ♦ Axis ♦ Fixed Stars
Astro*Index Copyright © 1997 Michael Erlewine
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