NASA Logo, National Aeronautics and Space Administration

National Aeronautics and Space Administration

Goddard Space Flight Center

Sun-Earth Day 2010: Magnetic Storms.

Sun-Earth Day 2010: Magnetic Storms

IMAGE GALLERY

A view of the aurora photographed by ISS astronaut Don Pettit in 2003 (Pettit: NASA)
AURORA

A view of the aurora photographed by ISS astronaut Don Pettit in 2003 (Pettit: NASA)

NASA Fact

The largest, single, challenge for astronauts traveling to Mars will be to overcome exposure to solar storms and radiation.