Tag Archives: spectral lines

The Balmer Thermometer

How hot would you say this star is? Take a wild guess. Well…sorry, but I’m going to stop you for a moment just to make sure we’re all using Kelvins. The Kelvin scale is like the Celsius scale, except water … Continue reading

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The Building Blocks of the Universe

“The Building Blocks of the Universe.” When you put it that way, atoms sound less like a topic specifically for a chemistry class and more like something astronomers might discuss. They really are. I’ve got a fantastic reason to include … Continue reading

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Info in a Rainbow

What do you see in this image? If you’re from a larger city and haven’t had the opportunity to venture into a place like the desert, you might not know what you’re looking at. That’s the Milky Way, our name … Continue reading

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