NASA’s engine for next-generation rocket test-fired

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LONDON: The nearly nine-minute test fire of an RS-25 engine at Stennis Space Center in Mississippi also tested a new controller for the engine.
NASA put the engine at the heart of its huge next-generation rocket to the test again today (Aug. 13).
The agency performed a nearly 9-minute-long “hot fire” test of an RS-25 engine at Stennis Space Center in Mississippi. Four RS-25s will power the core stage of the Space Launch System (SLS) megarocket, which NASA is developing to get astronauts to asteroids, Mars and other deep-space destinations. You can see a video of the rocket engine test here.
The RS-25 blazed on the test stand for 535 seconds — the same amount of time the core engines will fire during an actual SLS launch.