We usually think of the sun as that big glowing ball in the sky, at least on days when we can see it, grey here again (ahead of imminent snow storms).
But NASA can paint a different picture using specialized instruments, either in ground-based or space-based telescopes, which can “see” light beyond the extremes of visible. Different wavelengths convey information about different components of the sun’s surface and atmosphere, so scientists use them to paint a more complete picture of our nearest and dearest star.
But, when I saw the montage, I knew it reminded me of something…
NASA – Sun Primer: Why NASA Scientists Observe the Sun in Different Wavelengths.