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Three Rotations, Three Temperatures
Three Rotations, Three Temperatures
Three Rotations, Three Temperatures Solar images in three different wavelengths in extreme ultraviolet light are combined together to show solar activity over almost three months (June 2 - Aug. 26, 2010). Each wavelength is shown in a different color. The wavelengths are at 211 (red - 2 million degrees), 193 (green - 1.3 million degrees), and 171 Angstroms (blue - 600,000 degrees). The cadence is basically a frame every 45 minutes. The brightest areas are active regions, which have stronger magnetic field than the surrounding area.