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impulsive phase |
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impulsive phase [im′pəl·siv ‚fāz] (astrophysics) The first phase of a solar flare, in which x-radiation rises to a maximum in a few seconds or minutes, and can then vary rapidly for several minutes in bursts of decreasing amplitude with rise times as short as 10 milliseconds. 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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