Sun - Blue Sun II (Extreme UV)
Extreme Ultraviolet Imaging Telescope (EIT) image in resonance lines of eight and nine times ionized iron (Fe IX/X) at 171 Angstroms in the extreme ultraviolet showing the solar corona at a temperature of about 1 million K. This image was recorded on 11 September 1997. It is dominated by two large active region systems, composed of numerous magnetic loops.
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