![](https://webarchive.library.unt.edu/eot2008/20080921091907im_/http://veimages.gsfc.nasa.gov//9494/a000788_gal.jpg)
Images & Animations
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Credit
NASA/Goddard Space Flight Center Scientific Visualization Studio
Polar Visible Aurora: Normal Solar Wind Conditions on November 13, 1999 over the North Pole
On May 11, 1999, the solar wind that blows constantly from the Sun virtually disappeared. Dropping to a small fraction of its normal density and to half its normal speed, the solar wind died down enough to allow physicists to observe particles flowing directly from the Sun's corona to Earth. This severe change in the solar wind also drastically changed the shape of Earth's magnetic field and produced a rare auroral display at Earth's North Pole.
Visible aurora over the North Pole on November 13, 1999 as measured by Polar
Metadata
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Sensor
IMAGE/VIS -
Animation ID
788 -
Video ID
SVS1999-0029 -
Start Timecode
1:09:38:22 -
End Timecode
1:10:09:02 -
Animator
Greg Shirah -
Studio
SVS -
Visualization Date
1999/12/08 -
Scientist
David Chenette (LMATC), John B. Sigwarth (University of Iowa), Mike Carlowicz (NASA/GSFC) -
Keywords
Solar Wind, Aurora, Electron Fluxes, Upper Atmosphere -
DLESE Subject
Space science, Geophysics -
Data Date
1999/11/13 -
Pao ID
g99-103_space -
Animation Type
Regular