This is where you’ll find our thoughts about recent (and not) astronomy, earth science and other science news, our answers to questions we get from people a lot, plus whatever else strikes our fancy. Sometimes we get into a few of the mathematical or scientific details, but never too deeply.

Stars are basically giant balls of hydrogen and helium gas, and little else. However, the "little else" matters.

What Are Star Types?

You might have heard that there are different kinds of stars, called stellar types or stellar classes. You might have also heard that these types have cryptic names designated by letters of the alphabet. This post explains what these stellar types are and how they came to be.

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