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What Halloween Is About | Origins, Symbols, Modern Use

Halloween is about marking the turn into late autumn with costumes, stories, and playful scares rooted in older harvest and All Hallows traditions. People celebrate Halloween on October 31, but the reason behind it can feel fuzzy. One person thinks “candy night,” another thinks “spooky season,” and someone else thinks “a church calendar thing.” The

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Magnetic Field Chorus Waves | Clear Rules And Real Uses

Magnetic field chorus waves are whistler-mode radio waves in Earth’s magnetosphere that can speed up or scatter radiation-belt electrons. Magnetic field chorus waves sound mysterious until you tie them to something practical: satellite risk. When chorus turns on, energetic electrons in the radiation belts can change fast. That can raise charging risk on spacecraft surfaces,

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