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solar prominence |
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solar prominenceArched stream of hot gas projecting from the Sun's surface into the chromosphere or corona. Prominences can be hundreds of thousands of miles long and can be seen with the unaided eye during a total eclipse. They appear to lie along and are supported by loops in the Sun's magnetic field, where they may remain for days to months. solar prominence [′sō·lər ′präm·ə·nəns] (astronomy) Sheets of luminous gas emanating from the sun's surface; they appear dark against the sun's disk but bright against the dark sky, and occur only in regions of horizontal magnetic fields. 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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There's no comparison in grandeur between such pip-squeak arcs and the mighty solar prominences that Bellan is trying to replicate. These include bulges in the region surrounding the eclipsed solar disk, which depict long extensions of the corona called streamers; and white areas that indicate solar prominences -- elongated gas clouds held intact by magnetic fields. Researchers know solar prominences can cause geomagnetic storms when they intercept Earth's magnetic field, interfering with communications and electric power transmission. |
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