DeskyEarth

DeskyEarth is a beautiful animated desktop and calendar for Mac. Imagine orbiting the earth from starlit darkness of space - right on your Mac's desktop. Includes the full features of DeskyCal - a perpetual year desktop calendar, that always remains current and can show you a year at a glance, again right on your Mac's desktop.

If you could see the earth illuminated when you were in a place as dark as night, it would look to you more splendid than the moon.
-- Galileo Galilei

Features:

• Peaceful view of our Blue Marble, moving silently suspended in starry space
• Living HD Wallpaper for your desktop