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An Observation Linking the Origin of Plasmaspheric Hiss to Discrete Chorus Emissions
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2009 (English)In: Science, ISSN 0036-8075, Vol. 324, no 5928, 775-778 p.Article in journal (Refereed) Published
Abstract [en]

A long-standing problem in the field of space physics has been the origin of plasmaspheric hiss, a naturally occurring electromagnetic wave in the high-density plasmasphere (roughly within 20,000 kilometers of Earth) that is known to remove the high-energy Van Allen Belt electrons that pose a threat to satellites and astronauts. A recent theory tied the origin of plasmaspheric hiss to a seemingly different wave in the outer magnetosphere, but this theory was difficult to test because of a challenging set of observational requirements. Here we report on the experimental verification of the theory, made with a five-satellite NASA mission. This confirmation will allow modeling of plasmaspheric hiss and its effects on the high-energy radiation environment.

Place, publisher, year, edition, pages
2009. Vol. 324, no 5928, 775-778 p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-148694DOI: 10.1126/science.1171273ISI: 000265832400043OAI: oai:DiVA.org:uu-148694DiVA: diva2:402858
Available from: 2011-03-10 Created: 2011-03-09 Last updated: 2011-03-10Bibliographically approved

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