/u/smellybrownfinger's posts in /r/askscience
Is lightning blue because of same effect that causes ionized air, due to (cherenkov) radiation to be blue?
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What happens to photons when they get absorbed by particles? What do they transform into? And do the particles ever get saturated?
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If you had a protective hollow sphere with air in the exact centre of earths core, could you theoretically fly around, or walk all over it's inner surface, because of you being at the centre of earths mass?
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Birds can apparently really see the earths magnetic field, and Jupiters magnetosphere would be the size of a full moon from earth, if we could see it. Do birds see Jupiter this way?
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