Liquid Oxygen Loading Continues

Awesome-Venting-1The Merlin engines powering the SpaceX Falcon 9 run on kerosene and liquid oxygen. Ground controllers are overseeing the loading of cryogenic liquid oxygen this afternoon aboard the rocket. The propellant is super cold, measuring minus-297 degrees F. As the Falcon rocket sits at the pad, a portion of the propellant warms up enough to turn into a gas.


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