Green Run

NASA’s moon rocket scores an ‘A+‘ on critical engine test

Four RS-25 engines fire at the base of the Space Launch System core stage during Thursday’s test-firing at the Stennis Space Center in Mississippi. Credit: NASA TV/Spaceflight Now The core of NASA’s first huge Space Launch System heavy-lift rocket designed to carry astronauts back to the moon aced a crucial test-firing Thursday in Mississippi, clearing …

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NASA’s moon rocket set for second test-firing Thursday

The orange core stage of NASA’s first Space Launch System rocket stands in the B-2 test stand at the Stennis Space Center in Mississippi. Credit: NASA/Stennis Two months after a first test-firing ended prematurely, NASA plans to ignite the core stage of the first Space Launch System heavy-lift rocket again Thursday for an eight-minute burn …

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Stacking complete for SLS boosters

The twin solid rocket boosters for the Artemis 1 mission are stacked on the SLS Mobile Launcher inside High Bay 3 of the Vehicle Assembly Building. Credit: NASA/Isaac Watson The twin 177-foot-tall (54-meter) solid-fueled boosters for the first flight of NASA’s Space Launch System have been stacked inside the Vehicle Assembly Building at the Kennedy …

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