"There is a powerful recognition that stirs within us when we see our own gorgeous little ocean blue planet as it would be seen by others in the skies of other worlds. It's a recognition that never fails to move us. And it is here in this picture that Darwin meets Galilieo because it is a picture that's made possible by Galileo's first experiments with gravitation so long ago and it is a picture that to me shouts Evolution. I look at this image and I see our ancestors stepping down from the trees and walking upright for the first time on the African Savannah's and pausing to look back at the forest from which they came. I look at this picture and see a species that is positively unyeilding it's pursuit of knowledge and brave and fervent ts longing to graps the meaning and significance of it's own existence....."
Download the video (in quicktime format) here
I found this video from an articles at the Richard Dawkins Foundation website.