From: http://en.wikipedia.org/wiki/Geneva_drive
And: http://en.wikipedia.org/wiki/GIF#Animated_GIF
“Rotating earth (large)” by Marvel – Based upon a NASA image, see [1].. Licensed under CC BY-SA 3.0 via Wikimedia Commons.
From: http://en.wikipedia.org/wiki/Geneva_drive
And: http://en.wikipedia.org/wiki/GIF#Animated_GIF
“Rotating earth (large)” by Marvel – Based upon a NASA image, see [1].. Licensed under CC BY-SA 3.0 via Wikimedia Commons.
.gif#/media/File:Rotating_earth_(large).gif){kind=link}