A PDF version is available for download from the Geological Society of America." />
Help Shape the Future of Space Exploration
Join The Planetary Society Now
Join our eNewsletter for updates & action alerts
Filed under Earth, geology, explaining science
Geological Society of America
First image of Earth from the surface of the Moon: Surveyor 3
Earth, 660 million years ago
Elektro-L typhoon animation
Painted hills of the John Day Fossil Beds, Oregon
Pretty pictures and awe-inspiring science.
Let’s invent the future together!
Become a Member
Facebook! Twitter! Google+ and more…Continue the conversation with our online community!