Check out a new picture from NASA.

What's happening on Twitter. Check out a new picture from NASA. See it Scuba Diver Girls just shared a photo. View now E2 Holdings LLC. just shared a photo. See it Huffington Post just shared a photo. View now See what Barack Obama sees. View now Krishna just shared a video. Watch Settings  |  Help  |  Opt-out Twitter, Inc. 1355 Market Street, Suite 900 San Francisco, CA 94103