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

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Why is a candle flame round and blue at zero gravity? - Quora

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

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

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

What are the ions in a candle flame? - Quora

visible light - Why does the humidifier make a stove's flame orange? - Physics Stack Exchange

Why is a candle flame round and blue at zero gravity? - Quora

Why is flame blue closer to the wick of candle? : r/chemistry

photons - Why can't the light from a candle light the whole of a dark room? - Physics Stack Exchange

Candle Experiments and Explorations : 12 Steps - Instructables

Frequency and Phase Characteristics of Candle Flame Oscillation