Why flames are yellow and blue + microgravity

Thermal-FluidsPedia, Flame

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

How a candle burns in Zero G (Aboard the ISS) : r/space

Can a Candle Burn in Zero Gravity?

Best Choice Products Set of 2 Adjustable Steel Mesh

Flame - Wikipedia

How Fire in Space Looks and Works

Best Choice Products Set of 2 Adjustable Zero Gravity

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