cameras. >> on christmas eve, while orbiting the moon, this picture titled "earth rise" was photographed by anders. this shot has become one of the most reproduced photographs in history. >> it was the only thing in space that had any color. everyelse was black and white. the earth was blue, white clouds, and brownish-pink continents, and we were a long way from hole, and it was christmas. it was a nostalgic moment. bill anders said it best, we came all the way to the moon and what perked our interest was the earth. >> i'll take the credit. >> many men and women who have been in space, they're so mesmerized by what they see. there are no boundaries. there are no lines between countries. >> it gives you more of an actual true perspective of our existence on earth. because you look back at the