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Artemis

Viewing Posts from March 2021

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    NASA Begins Major Assembly of Rocket Stage for First Crewed Artemis Mission

    Space Launch System rocket’s intertank

    The NASA team is moving parts of the Space Launch System rocket to begin assembly of the forward, or upper part, of the rocket’s core stage for the Artemis II Moon mission. On March 19, the intertank was moved to the vertical assembly area at NASA’s Michoud Assembly Facility in New Orleans where the core stage is manufactured. …

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    Green Run Update: Post-Test Press Briefing at 7 p.m. ET.

    Artemis Logo - red rocket trail, blue arch that represents earth, ARTEMIS text, gray half sphere on a white background

    Teams from NASA’s Space Launch System (SLS) Program conducted a successful full-duration hot fire test for more than 8 minutes. See press release HERE. To learn more, tune in to NASA TV for a post-test briefing at 7 p.m. EDT at NASA Live. Learn more about Green Run, and check back at this blog for …

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    Green Run Update: Engines Igniting as Hot Fire Gets Underway

    Artemis I engines infographic

    The hot fire is underway for the Space Launch System (SLS) rocket core stage at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. Engine ignition began at approximately six tenths of a second before T-0, beginning with Engine 1, then Engines 3, 4, and 2 ignited in sequence a few hundredths of a second apart. The test is expected to last about 8 minutes and will include three different power …

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    Green Run Update: Terminal Countdown Sequence Started

    Propellant barges docked near the B-2 Test Stand

    The test conductor polled the team and has approved the decision to proceed with the terminal countdown that includes the final 10 minutes before the hot fire. During the terminal countdown, the team is executing the autonomous launch sequence that simulates the countdown for the Artemis I launch. The test transitions from ground control to on-board software control of the core stage and so the test is fully automated starting at T-30 seconds. Key milestones during the …

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    Green Run Update: NASA TV Coverage Underway for Hot Fire Test

    Artemis Logo - red rocket trail, blue arch that represents earth, ARTEMIS text, gray half sphere on a white background

    Countdown is continuing for the hot fire test of the core stage for NASA’s Space Launch System (SLS) rocket. The test is expected to start soon and last about 8 minutes to simulate launch and ascent of the SLS to orbit. NASA Television coverage has begun. Watch live: http://www.nasa.gov/live Teams powered up the core stage’s avionics …

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    Green Run Update: Tanking Complete for Rocket Hot Fire Test

    SLS Core Stage flight tank

    Engineers have completed tanking for the hot fire test of NASA’s Space Launch System (SLS) rocket core stage at the agency’s Stennis Space Center, and the countdown is proceeding normally. The liquid hydrogen tank holds 537,000 gallons of liquid hydrogen, cooled to minus 423 degrees Fahrenheit. The liquid oxygen tank holds 196,000 gallons of liquid oxygen, cooled to minus 297 degrees Fahrenheit. After …

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    Green Run Update: Test Teams Gives “Go” to Proceed with Tanking 

    SLS Core Stage 101 Infographic

    The test team conducted a pre-test briefing in the Test Control Center at the B test complex at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, and gave a “go” to proceed with testing and to fill the propellant tanks.  Over the next several hours, the teams will monitor the systems and load more than 700,000 gallons of cryogenic, or supercooled, liquid oxygen and …

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    Green Run Update: Hot Fire Exposes Core Stage to Spaceflight Stresses

    NASA's Artemis logo. Credit: NASA

    During NASA’s Green Run hot fire test, the team will be especially interested in several key operations when testing the Space Launch System (SLS) rocket core stage under conditions it may experience during a variety of deep space missions. Green Run, an end-to-end system test of the core stage with Artemis I flight hardware, will …

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