29K views · 569 reactions | The launch of NASA Artemis on the SLS Rocket is going to be insane, hear why and what to expect from NASA Astronaut, Victor Glover. . . . . #NASA #Artemis #moon #astronaut #rocketlaunch #SpaceCoast #SLS #Orion | Florida's Space Coast | Facebook

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