Monday, June 05, 2006

Space the Final Frontier, Solar Prominence

Solar Prominence, Courtesy NASA/JPL-Caltech.Target Name: Sol, (our sun), Is a satellite of: Mission: SOHO, Spacecraft: SOHO, Instrument: Extreme Ultraviolet Imaging Telescope, Product Size: 2100 samples x 2034 lines, Produced By: Extreme Ultraviolet Imaging Telescope Consortium, Addition Date: 2001-02-17, Primary Data Set: SOHO_PAGE.
Full-Res TIFF: PIA03149.tif (4.315 MB,)Full-Res JPEG: PIA03149.jpg (409.1 kB)

Original Caption Released 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.

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