#cryogenicpropellants

Liquid hydrogen and liquid oxygen are cryogenic propellants, meaning they are extremely cold, and of all rocket fuels liquid hydrogen is the coldest - reaching temperatures of -253°C (-423°F). #science #sciencefacts #rocketfuel #liquidhydrogen #cryogenicpropellants

Liquid hydrogen and liquid oxygen are cryogenic propellants, meaning they are extremely cold, and of all rocket fuels liquid hydrogen is the coldest - reaching temperatures of -253°C (-423°F).

#science #sciencefacts #rocketfuel #liquidhydrogen #cryogenicpropellants