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Prominence |
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prominence [′präm·ə·nəns]
(astrophysics) A volume of luminous, predominantly hydrogen gas that appears on the sun above the chromosphere; occurs only in the region of horizontal magnetic fields because these fields support the prominences against solar gravity. Prominence a luminous formation of incandescent gases visible at the edge of the solar disk. When viewed against the background of the solar disk, prominences appear as dark filaments. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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