Here’s how to catch the spectacular aurora borealis from your city, if you're lucky.
that this process is similar to switching off old television sets. “When you turn them on, if you had good hearing, you’d hear a very high pitched whine indicative of a very high frequency” caused by a beam of electrons. And if you turned it off, you’d see a spot right in the center of the screen.”
That glowing spot on the fluorescent screen occurs when a beam of electrons hits it from the inside. “And that’s exactly what the aurora is,”[Related:The greens, blues, and reds that result come from the electrons as well. As they enter the Earth’s atmosphere, the electrons excite gasses, particularly oxygen and nitrogen. Once the molecules within the oxygen and nitrogen are charged with this energy beyond their normal state, they emit photons as they return back to their baseline levels.
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