gas atoms
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Our Sun: The Chromosphere
This diagram is a tiny bit misleading. Here, it looks like the chromosphere is the visible surface of the sun, with the photosphere just below. Really, we never see the chromosphere. If you ever look through a solar telescope at…
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The Atomic Spectrum
Astronomers know that if white light passes through a prism and is bent, it’s separated out into its component colors — the colors of the rainbow. Astronomers also know that when light interacts with atoms, the building blocks of the…
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Cosmic Rays
Cosmic rays remain, for the most part, a cosmic mystery. But then, what about the universe doesn’t still remain partially shrouded in mystery? Cosmic rays are radiation, but they’re not electromagnetic. That is, they’re not on the electromagnetic spectrum. So,…
