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> The Sun seen in ultraviolet by Soho. December 5 1998.

The Sun seen in ultraviolet by Soho. December 5 1998.

author: Nasa/ESA/Soho/Eit/Novapix

reference: a-sol02-01001

Image Size 300 DPI: 20 * 19 cm

Prominences are huge clouds of relatively cool dense plasma suspended in the Sun's hot, thin corona. 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. Taken December 5, 1998.

Keywords for this photo:

1998 - ASTRONOMY - GLOBAL VIEW - PROMINENCE - SOHO - SOLAR FLARE - STAR - SUN - ULTRAVIOLET - UV -