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National Aeronautics and Space Administration

Goddard Space Flight Center

Sun-Earth Day 2009: Our Sun Yours to Discover.

Sun-Earth Day 2009: Our Sun Yours to Discover

IMAGE GALLERY

CORONAL HOLE A giant coronal hole appears on the sun on January 8 ,2002. (SOHO-EIT)
ASTROPHYSICS

Star Spot detected using dopp,ler imagery on the star XX Triangulum. (Strassmeier; NOAO/AURA/NSF)

NASA Fact

During a severe solar storm, Earth loses about 100 tons of its atmosphere into space.