A Long-Lived Relativistic Electron Storage Ring Embedded in Earth’s Outer Van Allen Belt

Author:

Baker D. N.1,Kanekal S. G.2,Hoxie V. C.1,Henderson M. G.3,Li X.1,Spence H. E.4,Elkington S. R.1,Friedel R. H. W.3,Goldstein J.5,Hudson M. K.6,Reeves G. D.3,Thorne R. M.7,Kletzing C. A.8,Claudepierre S. G.9

Affiliation:

1. Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO, USA.

2. Goddard Space Flight Center, Greenbelt, MD, USA.

3. Los Alamos National Laboratory, Los Alamos, NM, USA.

4. Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, Durham, NH, USA.

5. Space Science and Engineering Division, Southwest Research Institute, San Antonio, TX, USA.

6. Department of Physics and Astronomy, Dartmouth College, Hanover, NH, USA.

7. Department of Atmospheric and Oceanic Sciences, University of California–Los Angeles, Los Angeles, CA, USA.

8. Department of Physics and Astronomy, University of Iowa, Iowa City, IA, USA.

9. The Aerospace Corporation, Los Angeles, CA, USA.

Abstract

Van Allen Variation The two rings of relativistic particles called Van Allen Belts that encircle Earth were discovered during the space age, and are known to pose risks to satellites in geostationary orbit. NASA launched twin spacecraft, the Van Allen Probes, on 30 August 2012 to measure and characterize Earth's radiation belt regions. Baker et al. (p. 186 , published online 28 February) have shown that a third, unexpected and temporary, radiation belt formed on 2 September 2012 to disappear 4 weeks later in response to changes in the solar wind.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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