Visuals and Animations
Copyright: Fair use
The visuals and animations on this site can be used for any purpose, including commercial, as long as...
1. ..the users provide a reference and, if possible, a link to the official website within the frame of their work.
2. ...the users don't remove/obscure the watermark if present.
THE SUN ON THE EQUINOX
MOTION OF THE SUN ON SUMMER SOLSTICE AND ON WINTER SOLSTICE