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magnetopause |
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magnetopause [mag′nēd·ə‚pȯz] (geophysics) A boundary that marks the transition from the earth's magnetosphere to the interplanetary medium. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In the study, a NASA satellite called IMAGE (Imager for Magnetopause to Aurora Global Exploration) observed two powerful proton auroras in the arctic portion of Earth's upper atmosphere, or ionosphere. The company has provided spacecraft, as well as systems engineering, integration, and test, for the Hubble Space Telescope, Lunar Prospector, Imager for Magnetopause to Aurora Global Exploration, Gravity Probe-B, the Space Infrared Telescope Facility, and the Space Interferometry Mission. When these crash into Earth's magnetosphere, they push the magnetopause inward, sometimes quite dramatically (SN: 2/1/97, p. |
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