Candles in zero gravity burn blue and round. No gravity means no convection currents to pull in fresh oxygen, so the flame becomes this chill little blue bubble that burns slower and cleaner.

Candles in zero gravity burn blue and round. No gravity means no convection currents to pull in fresh oxygen, so the flame becomes this chill little blue bubble that burns slower and cleaner.

Oh, so the foto of the cozy fireplace in the ISS must be fake! 😱

I gues it burns cooler too?
Great note
Is the zero gravity candle flame hollow