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The images were derived from full disk scans by CDS on 23 April 1998. As the temperature increases, the radiation comes from higher layers of the solar atmosphere, or corona, and is more strongly associated with solar activity. At the very highest temperatures, only the hot loops above active regions are visible. Scientists use images like these to probe the temperature structure of the solar atmosphere.

From the CDS Operations Management Team in the Space Science & Technology Department at CCLRC Rutherford Appleton Laboratory
Site maintained by John Rainnie.
Last revised on Tuesday (17/Jul/2001) at 09:55.