 |
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| • HOME • ABOUT • CATEGORIES • USE OF TEXT AND IMAGES • NEWSLETTER   
|
direct (rotation)
Axial rotation or orbital rotation in a counterclockwise direction when viewed looking down from above the Sun's north pole, or the movement of a body from west to east on the celestial sphere. Also known as prograde, it is the normal direction of orbital and axial movement in the Solar System; its opposite is retrograde.
Related category
• CELESTIAL MECHANICSAlso on this site:
Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History