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The IMAGE satellite has detected plasma in the funnel-like cusp region
of Earth's magnetic field. The plasma appears to change in its density
depending on how the solar wind magnetic field varies in strength and polarity.
(2000: V. K. Henize, P. H. Reiff, B. W. Reinisch, J. L. Green, S. F. Fung, and J. Goldstein)
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Related IMAGE Discoveries
Additional
Information
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Plasma -A complex mixture of atoms
and electrically-charged particles. Typical space plasma contain uncharged atoms,
electrons, protons and ions of various atoms.
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Cusp -Regions in the
sunward-tilted magnetic field of Earth where charged particles
can enter the polar regions. Faint daytime aurora result, but are
not visible to the eye.
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IMAGE experiments
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Useful Web
Resources
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Curator
Dr. S. Odenwald, sten.odenwald@gsfc.nasa.gov, +1-301-286-6953
NSSDC, Mail Code 630, NASA Goddard Space Flight Center, Greenbelt, MD 20771
NASA Approval: J. L. Green, James.Green@nasa.gov
Rev. 1.0.0, 24 April 2003, EVB
II
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