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

348K views · 4.3K shares | Are you ready to rumble? Our Space Launch System is. SLS, which will be the most powerful rocket ever build, the Orion spacecraft and grounds systems are needed to launch astronauts to destinations far into the solar system. Watch some of the progress being made on our #JourneyToMars. | NASA - National Aeronautics and Space Administration | Facebook

31K views · 3.1K reactions | Take a look back at Stop 2 of the 2022 SLS Championship Tour, through 16mm footage, where Rayssa Leal and Yuto Horigome secured their second straight wins! Stop 03 is going down in Las Vegas Oct.7-8th! | Street League Skateboarding | Facebook

65K views · 1.7K reactions | This is the last time Rayssa Leal skated a contest in California, the 2019 LA stop where she earned her first-ever SLS Win!  | Street League Skateboarding | Facebook