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NASA is ready to launch the massive SLS lunar rocket for the final ‘Green Run’ test



The latest SLS Green Run tests take place at NASA’s Stennis Space Center in Mississippi.

NASA

NASA has big dreams for 2021, with one of its main goals in launching Artemis I, an unmanned lunar mission designed to display its Orion spacecraft and Space Launch System rocket can send humans to our neighbor to the moon. But first, NASA plans to make some noise with a burning SLS test this month.

NASA is nearing the end of the Green Run test series, which puts the core phase ̵

1; which the agency describes as the “backbone of the SLS rocket” – through its strides before actually firing out of this rock sometime in the future.

The eighth and final part of the test series could happen as soon as Saturday, January 16, when NASA launches an exciting hot fire. The agency had originally planned to run the test on January 17, but moved up the day after completing a contingency analysis.

“The upcoming hot fire test will fire all four of the scene’s RS-25 engines simultaneously for up to eight minutes to simulate core stage performance during launch,” NASA said in a January 5 statement.

SLS has seen delays under its evolution, but it remains the core of NASA’s ambitious plans to take humans back to the moon by 2024 through the Artemis program. A report from last year calls that date in doubt based on program costs, SLS setbacks, and planning effects from the coronavirus pandemic.

Test fires are a lot of fun, as we saw last year when one The SLS booster illuminated the Utah desert and turned sand into glass.

The SLS Green Run test takes place at the Stennis Space Center in Mississippi, and it comes after NASA worked through an unexpected topic with an earlier test, a wet sample that “marked for the first time that cryogenic or super-cold, liquid propellant was fully loaded in and drained from the SLS core stage’s two huge tanks. “

The wet sample cut off a little early, but NASA tracked the problem down to a timing problem that was later corrected and that should not affect the hot fire. If all goes well, NASA will still be on track for a possible late 2021 launch of Artemis I.

Each successful test puts the moon a little closer within reach of human hands.


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