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National Aeronautics and Space Administration

Goddard Space Flight Center

Sun-Earth Day 2010: Magnetic Storms.

Sun-Earth Day 2010: Magnetic Storms

Past Sun-Earth Days

Sun-Earth Day 2009
2009: Our Sun, Yours to Discover
Join us for Sun-Earth Day and the International Year of Astronomy as we explore, experience, study and predict our sun.
Sun-Earth Day 2008
2008: Space Weather Around the World
For Sun-Earth Day 2008, we will engage a world-wide audience in the celebration of the International Heliophysical Year (IHY).
Sun-Earth Day 2007
2007: Living in the Atmosphere of the Sun
We kick off the International Heliospheric Year celebration with Living in the Atmosphere of the Sun!
Sun-Earth Day 2006
2006: Eclipse, in a Different Light
Join us in an extraordinary journey of exploration, discovery and understanding of the total solar eclipse of March 29, 2006!
Sun-Earth Day 2005
2005: Ancient Observatories Timeless Knowledge
The Ancient Observatory theme for 2005 features solar alignments with structures that mark the equinoxes and/or solstices.
Sun-Earth Day 2004
2004: Venus Transit
Learn more about the transit of Venus that occurred on June 8, 2004. In this site you will find comparisons of Venus with Earth and Mars, calculations of the distances to nearby stars, and the use of transits to identify extra-solar planets.

When Is Sun-Earth Day?

This year's main celebration will be on March 20, 2010.


Magnetic fields and electric fields are aspects of a more basic field in nature called the electromagnetic field.