In THE GRANITE AVATARS OF PATAGONIA I asked why a human can be so profoundly moved by the majestic beauty of a big rock. by extension we can also ask why a tiny flower is so astoundingly beautiful, or, in the other direction, we can ask why earth itself is so beautiful. It has only been in the last 40 years that we have been able to to see our home from outside of it.
this 20 min video presents that experience:
http://www.upworthy.com/some-strange-things-are-happening-to-astronauts-returning-to-earth
Tom Reed Photography 