One of the most memorable images of our planet earth is a picture taken 240,000 miles away from Apollo 11, close to the surface of the moon. This photo was taken just before the lunar module successfully landed on the surface of the moon on July 20, 1969. The planet earth looked like an immense blue marble suspended in space while the lifeless, creviced, and potted lunar surface predominated the bottom of the picture. As the lunar module was getting