Some astronauts who have gone into space and have gazed upon their home, the Earth, from afar, have come back to terra firma as profoundly changed people. It seems that seeing the Earth as a living ball of activity from space offers perspective that we, who are here in the forest, can't see because of the trees.

This video captures the sentiment of men and women who have gone into space as far back as the 1960's about the feeling that seeing the Earth from space evoked for them.