
Liquid oxygen
One of the physical forms of elemental oxygen

One of the physical forms of elemental oxygen
Liquid oxygen, sometimes abbreviated as LOX or LOXygen, is a clear, pale cyan liquid form of dioxygen O2. It was used as the oxidizer in the first liquid-fueled rocket invented in 1926 by Robert H. Goddard, an application which is ongoing.
Read on Wikipedia · Image Staff Sgt. Nika Glover, U.S. Air Force, Public domain
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