Eli5:In what ways does gravity affect fire?
In: Physics
if fire is there that means there must be something that can burn and there must be oxygen.
both the fuel of the fire and the oxygen are affected by gravity and this is ultimately how it will also affect the fire.
beside this theres also convection happening above and around the fire which also causes fresh oxygen to be drawn in at the bottom of the fire.
if there would be no gravity there would be no convection so if you had a ball of fuel in an atmosphere with some oxygen and you light it on fire it would simply burn on the outside and basically equal in all directions for a moment until it should theoretically extinguish itself as the CO2 would simply form a layer around the fuel as theres no convection happening that would make the CO2 rise and draw in fresh oxygen.
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