Tag Archives: ground state

Stars and Radiation

Stars are hot. Really hot. Hot enough to have energy to spare for their planets. If our star wasn’t hot, we couldn’t live on Earth. And our star isn’t even particularly hot for a star. It’s a middle-aged star of … Continue reading

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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. But how … Continue reading

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