gas
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What Keeps a Star Stable?
All life as we know it has to maintain homeostasis — that is, keep internal goings-on regulated. Body temperature is just one example. Mammals can maintain a stable body temperature with no trouble. Reptiles have to bask in the sun…
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Our Sun: The Corona
When we observe our sun’s corona, we discover something odd. It’s really, really hot. But…wait a second. How is that odd? Shouldn’t the sun be hot? Well…yes. It should, and it is. Its surface temperature is almost ten thousand degrees…
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What Matters?
The simplest approach to chemistry is to start basic. Not basic as in acids and bases, ha-ha…sorry, bad chemistry joke. I mean basic as in, what the heck even is chemistry? I admit that I’m better versed in astronomy than…
