Preparations for filling the rocket with propellant will begin about 11 hours before launch.
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RE: https://mastodon.social/@arstechnica/116329596689333996
Preparations for filling the rocket with propellant will begin about 11 hours before launch. The launch team will ramp up flow rates to “fast fill” mode on both tanks sometime around 9:00 am EDT (3:00 pm CEST). This will be one of the most critical
phases of the countdown -
RE: https://mastodon.social/@arstechnica/116329596689333996
Preparations for filling the rocket with propellant will begin about 11 hours before launch. The launch team will ramp up flow rates to “fast fill” mode on both tanks sometime around 9:00 am EDT (3:00 pm CEST). This will be one of the most critical
phases of the countdownLive Updates for #Artemis II
11:25 a.m. ET (5:25 pm CEST)
The hydrogen tank on the second or upper stage of the #SLS rocket is now full too12:50 p.m. ET (6:50 pm CEST)
All of the liquid oxygen and liquid hydrogen tanks are now full. That allows the close-out crews to go to the pad for final preparations there. The astronauts are to head to the launchpad in about an hour6:26 p.m. ET (12:26 am CEST)
The countdown has resumed. Counting down for 6:35 p.m. Eastern time -
Live Updates for #Artemis II
11:25 a.m. ET (5:25 pm CEST)
The hydrogen tank on the second or upper stage of the #SLS rocket is now full too12:50 p.m. ET (6:50 pm CEST)
All of the liquid oxygen and liquid hydrogen tanks are now full. That allows the close-out crews to go to the pad for final preparations there. The astronauts are to head to the launchpad in about an hour6:26 p.m. ET (12:26 am CEST)
The countdown has resumed. Counting down for 6:35 p.m. Eastern time01:07 CEST
Flight controllers in Houston have confirmed that all four solar arrays were deployed successfully
https://www.theguardian.com/science/live/2026/apr/01/artemis-ii-launch-nasa-orion-moon-trip-live-updates -
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