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NASA tests RS-25 engine designed for Mars trip

NASA tests RS-25 engine designed for Mars trip

Imagine the feeling of a rocket launch, but the rocket never leaves the ground. That’s what it felt like for more than 8 minutes while NASA tested the powerful RS-25 engine in Mississippi Thursday evening. More than 1,200 onlookers watched as the ground rumbled and steam poured out of the engine into the already humid Mississippi air at Stennis Space Center for 535 seconds. Thursday’s successful test marked the sixth and next to last test firing of the RS-25 engine. RS-25 is one of four engines that will power NASA’s Space Launch System (SLS) and carry the Orion crew capsule into deep space, eventually to Mars. The engine, RS-25 engineer Kathryn Crowe calls “the...

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