Share This Story!
Let friends in your social network know what you are reading about
33 trippy and awesome photos of our planet for Earth Day
IN SPACE - AUGUST 3: In this handout photograph from NASA, Earth is viewed from the Space Shuttle complex during day nine of Discovery's mission August 3, 2005.
A link has been sent to your friend's email address.
A link has been posted to your Facebook feed.
Join the Conversation
To find out more about Facebook commenting please read the Conversation Guidelines and FAQs