NASA is promising a spectacular show of rocket power on Saturday, January 15, and you can watch it live online. The space agency will perform the first four-engine hot fire test of its Space Launch System (SLS) rocket that will launch the first woman and next man to the moon by the end of the decade. The hot fire will mark the eighth and final part of NASA’s Green Run, a series of demanding tests to ensure the next-generation rocket is ready for space missions. Earlier Green Run tests evaluated, for example, the rocket’s avionics systems, propulsion systems, and hydraulic systems. Taking place at the agency’s Stennis Space Center near Bay St. Louis, Mississippi, Saturday’s test will focus on the rocket’s core stage, which includes the liquid hydrogen tank and liquid oxygen tank, four RS-25 engines, and the computers, electronics, and avionics that serve as the “brains” of the rocket. NASA said engineers will “power up all the core stage systems, load more than 700,000 gallons of cryogenic, or super-cold, propellant into the tanks, and fire all four engines at the same time to simulate the stage’s operation during launch, generating 1.6 million pounds of thrust.” We’ve already witnessed the awesome… Read full this story
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