NASA Astronauts Dr. Jan Davis and Dr. Mae Jemison | Spacelab

Stuck on Saturn's Rings | NASA Cassini Mission

Rosetta Comet 67/P Spacecraft Selfie at 16 km | ESA

"Cloud ocean" | International Space Station

Scotland | International Space Station

The Look of a Young Mars: View 3 | NASA

The Look of a Young Mars: View 2 | NASA

The Look of a Young Mars: View 1 | NASA

Comet McNaught

Auroral Corona over Norway

Galaxy Pair NGC 5090 & NGC 5091

Galaxy with Warped Dust Lane

Syncom: The First Geosynchronous Satellite | NASA

Big Blue Marble: GOES 8 Weather Satellite - A Look Back | NASA

NGC 346: Wide-field view

Astronaut Irwin Loads-up the Rover | NASA Apollo 15 Mission