Rachel Feltman at The Washington Post:
Do stars make noise? More importantly, if a star makes a sound too high for mammals to hear and is also in the vacuum of space where no sound can travel . . . does it even count?
Thank God nothing is resting on humanity answering that, because what even.
In a new study published in Physical Review Letters, researchers present evidence that stars might make a sound (sort of).
They were studying plasma, which is the state of matter that makes up most things in the universe (though only visible in a few things, like lightning strikes and the gas inside neon signs, on Earth). Plasma is basically a gas that’s been charged with enough energy to loose electrons from the atoms holding them. The net charge of a plasma is still neutral, but it’s full of negatively charged electrons and the (now positively charged) ions they’ve ditched, which gives it some weird properties. I’ll allow They Might Be Giants to explain further:
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