October 10, 2007
From NASA's wonderful earth observatory. You can subscribe to it here, for free.
I could launch into a litany of NASA's errors and boondoggles, but this stuff is fascinating. Your tax dollars at work, doing amazing things.
Note the city lights from Europe and the Mediterranean, the Arctic ice, the different colors of the water, the dark shade of the Amazon, and the light color of the Sahara.