waves
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Our Sun: Helioseismology
We can’t see below the surface of the sun. That makes sense, really. We can’t see below the surface of the Earth, either — we have to get creative if we want to find out what goes on below the…
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Atoms and Radiation
Everything we know about space comes from radiation. Now wait just a moment here. That statement explains how astronomy is such a successful field of science — it’s based entirely on the information we can glean from radiation, after all.…
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The Spectrum of Light
Does this look familiar? People think of rainbows as a symbol of happiness and fortune. There are even myths that leprechauns hide gold at the end of a rainbow. That’s more of a tease than good fortune, if you ask…
