Beeld:SunPIA03149.jpg

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Public domain: This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).

Original Caption Release with Image: Extreme Ultraviolet Imaging Telescope (EIT) image of a huge, handle-shaped prominence taken on Sept. 14,1999 taken in the 304 angstrom wavelength - Prominences are huge clouds of relatively cool dense plasma suspended in the Sun's hot, thin corona. At times, they can erupt, escaping the Sun's atmosphere. Emission in this spectral line shows the upper chromosphere at a temperature of about 60,000 degrees K. Every feature in the image traces magnetic field structure. The hottest areas appear almost white, while the darker red areas indicate cooler temperatures.

Source: http://photojournal.jpl.nasa.gov/catalog/?IDNumber=PIA03149

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  • (skrap) (huidige) 14:29, 12 Maart 2007 . . Anrie (Bespreking | bydraes) . . 2100×2034 (409 054 grepe) ('''Public domain:''' This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy). '''Original Caption)

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