Eli5: What is the difference between natural and artificial light; and why can some plants thrive on artificial light?
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Natural light is light produced by natural sources :
sunlight and all it’s variants, e.g, direct sunlight , cloudy sunlight
moonlight (actually sunlight reflected off the moon)
starlight, similar to sunlight , because the sun is essentially a star
twilight or dawn light
auora borealis , aurora australis
glow worms , bioluminescent algae underwater , fire-flies
radio-active glow, (e.g., uranium)
lightning bolts
fire light (fires created by lightning)
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Artificial light (not made by nature ) is light made by humans, often in a factory :
streetlights , car headlamps , torches , building and domestic lamps (incandescent , fluorescent , LCD , LEDs ) ,
television screens , computer screens , phone screens ,
photo flash units ,
cigarette light / cigarlight / matchstick flame , stove or oven flames .
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