Transit of Venus, Sun-Earth Day 2012

National Aeronautics and Space Administration

Goddard Space Flight Center

Transit of Venus, Sun-Earth Day 2012

Happening Right Now!

The Sun As Art

New Solar Art Show

A new Sun as Art exhibit offers artistic interpretations of the Sun (with captions) based on solar images from NASA's Solar Dynamics Observatory (SDO).

More Happenings

Radiation Belt Storm Probes (RBSP) Launch

Radiation Belt Storm Probes (RBSP) Launch

The Radiation Belt Storm Probes (RBSP) launch on September 6, 2012. RBSP will study two extreme and dynamic regions of space known as the Van Allen Radiation Belts that surround Earth. Want to learn more?

NASA Fact

The August 4, 1972 solar flare was so powerful that, by some estimates, a spacesuited astronaut would have received a lethal does of radiation.