By observing the sun in a number of different wavelengths, NASA's telescopes can tease out different aspects of events on the sun. These three images of a solar flare on Nov. 13, 2012, captured by NASA's Solar Dynamics Observatory (SDO), show from left to right: light in the 304 Ångstrom wavelength, which shows light from the region of the sun's atmosphere where flares originate; light from the sun in the 193 Ångstrom wavelength, which shows the hotter material of a solar flare; and light in 335 Ångstroms, which highlights light from active regions in the corona.
Credit: NASA/SDO/Goddard Space Flight Center.
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