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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

STEREO (Behind) - December 16-17, 2007
STEREO (Behind) - December 16-17, 2007

STEREO (Behind) observed in profile the bending and twisting loops above an active region as it rotates to and around the edge of the Sun over two days in EUVI 171 wavelength (Dec. 16-17, 2007).

NASA Fact

The March 13, 1989 Quebec blackout, the result of a major geomagnetic storm, caused a $6 billion loss to the Canadian economy.