RS-25 engines powering NASA's SLS (Space Launch System) rocket use liquid oxygen and liquid hydrogen as propellants – the same elements that combine to create water (H2O). For an RS-25 engine test, liquid hydrogen and liquid oxygen are mixed in the engine combustion chamber and ignited, which results in extremely high-temperature exhaust (up to 6,000 degrees F) exiting the nozzle into the flame deflector at a very high rate and pressure. Hundreds of thousands of gallons of water also are flowing

8.1K views · 434 reactions | ❗️2022 Championship Tour is here❗️  Los Angeles (Qualifier, June 5th), Jacksonville (July 16-17th), Seattle (Aug. 13-14th), Las Vegas (Oct. 8-9), Rio De Janeiro (Super Crown, Nov 5-6th)  Full schedule and link to sign up for Jacksonville presale at streetleague.com  | Street League Skateboarding | Facebook

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