visible light - Why is the bottom part of a candle flame blue? - Physics Stack Exchange

What’s the explanation behind the bottom part of a candle flame being blue? I googled hard in vain. I read this. I don’t understand how it’s explained by the emission of excited molecular radicals

Why does a candle flame point upwards always? - Quora

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How to Put Out a Candle with Your Fingers: 5 Steps (with Pictures)

Theoretical Physics previously quantum art and poetry: The light of a candle flame and the geometry of life within an artist theory on the physics of time

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Why is fire blue at the bottom of the flame? - Quora

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