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

Earth's magnetic poles reverse their geographic locations every 300,000 years. The last event happened 780,000 years ago.