Well on its way to the Red Planet, Europe's Mars Express snapped this shot of Earth from a distance of about 8 million km (5 million miles).
Discover Earth's companion. Check out these images in our Moon Pictures Gallery.
Our Geology Guide also has some great links to Earth Images from Space. Check them out.
Discover the rest of the galactic neighborhood with our Solar System Tour.
Learn your way around the night sky with a Sky Map. They're free.