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Groups > sci.space.policy > #69097
| From | Snidely <snidely.too@gmail.com> |
|---|---|
| Newsgroups | sci.astro, sci.space.policy |
| Subject | Re: Artemis successful liftoff. |
| Date | 2026-04-04 14:08 -0700 |
| Organization | Dis One |
| Message-ID | <mn.23507ea4cb908271.127094@snitoo> (permalink) |
| References | <ad6026ec706a6c0f0d36a500897e9a0f@dizum.com> <20260402.085035.0184123a@mixmin.net> |
Cross-posted to 2 groups.
Yamn2 Remailer asserted that: > Jack wrote: > >> 6:43 p.m. >> >> Main engine cutoff of the SLS (Space Launch System) core stage is >> complete, and the core stage has successfully separated from the interim >> cryogenic propulsion stage and the Orion spacecraft. This marks the end of >> the first major propulsion phase of the Artemis II mission and the >> transition to upper-stage operations. >> >> The next major milestone is the deployment of the spacecraft’s SAWs (solar >> array wings) scheduled to begin approximately 18 minutes after launch. >> Once extended, the four SAWs will provide continuous electrical power to >> the spacecraft throughout its journey, supporting life-support systems, >> avionics, communications, and onboard operations. Deployment is a critical >> step in configuring Orion for the remainder of its time in Earth orbit and >> for the outbound trip to the Moon. >> >> 6:38 p.m. >> >> The spacecraft adapter jettison fairings that enclose the service module >> and the launch abort system have separated from the Orion spacecraft. With >> the rocket and spacecraft now flying above the densest layers of Earth’s >> atmosphere, Orion no longer requires the protective structures that >> shielded it during the early, high-dynamic-pressure portion of launch. >> >> The next major milestone is core stage separation and Interim Cryogenic >> Propulsion Stage ignition. >> >> 6:37 p.m. >> >> The SLS (Space Launch System) twin solid rocket boosters have separated. >> The boosters, each standing 177 feet tall and generating more than 3.6 >> million pounds of thrust at liftoff, provide most of the rocket’s power >> during the first two minutes of flight and separation reduces mass and >> allows the core stage to continue propelling the Orion spacecraft, named >> Integrity, toward orbit. >> >> With the boosters now clear, the SLS core stage remains the primary source >> of thrust. >> >> In about one minute, the spacecraft adapter jettison fairings that enclose >> Orion’s service module and the launch abort system will separate from the >> spacecraft. >> >> 6:35 p.m. >> >> NASA’s Artemis II SLS (Space Launch System) rocket, with the >> Orion spacecraft atop carrying NASA astronauts Reid Wiseman, Victor >> Glover, and Christina Koch, along with CSA (Canadian Space Agency) >> astronaut Jeremy Hansen, lifted off from Kennedy Space Center’s Launch >> Complex 39B in Florida at 6:35 p.m. EDT to begin its journey to deep >> space. >> >> The twin solid rocket boosters ignited first, delivering more than 75% of >> the thrust needed to lift the 5.75-million-pound rocket off the pad. Their >> combined power, along with the four RS-25 engines already at full thrust, >> generated an incredible 8.8 million pounds of force at liftoff. As the >> rocket rose, the umbilicals – which provided power, fuel, and data >> connections during prelaunch – disconnected and retracted into protective >> housings. This ensured the vehicle is free from ground systems and fully >> autonomous for flight. >> >> The approximately 10-day Artemis II mission around the Moon is the first >> crewed flight under NASA’s Artemis campaign. It will help test the systems >> and hardware needed to continue sending astronauts on increasingly >> difficult missions to explore more of the Moon for scientific discovery, >> economic benefits, and to continue building toward the first crewed >> missions to Mars. >> >> Below are the ascent milestones that will occur leading up to core stage >> separation. Times may vary by several seconds. >> >> SLS clears launch tower; roll/pitch maneuver (Mission Elapsed Time MET) >> +00:00:07) >> SLS reached supersonic speed (MET +00:00:56) >> Maximum dynamic pressure (MET +00:01:12) >> Solid Rocket Booster separation (MET +00:02:09) >> Lauch abort system jettison (MET +00:03:13) >> Core stage main engine cutoff (MET +00:08:02) >> Core stage separates from interim cryogenic propulsion stage (MET >> +00:08:14) >> >> 6:25 p.m. >> >> The Artemis II countdown has entered terminal count, and the ground launch >> sequencer has taken control, orchestrating a precise series of automated >> commands to prepare the SLS (Space Launch System) rocket and Orion >> spacecraft for liftoff at a T-0 time of 6:35 p.m. EDT. >> >> https://www.nasa.gov/blogs/missions/2026/04/01/live-artemis-ii-launch-day- >> updates/ > > Left-wing assholes were so praying that it would explode on launch so > they could point their fingers at Trump and blame him. No, no they weren't. /dps -- Killing a mouse was hardly a Nobel Prize-worthy exercise, and Lawrence went apopleptic when he learned a lousy rodent had peed away all his precious heavy water. _The Disappearing Spoon_, Sam Kean
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Artemis successful liftoff. Jack Ryan <noreply@remailer.cpunk.us> - 2026-04-02 02:05 +0200
Re: Artemis successful liftoff. Snidely <snidely.too@gmail.com> - 2026-04-01 18:48 -0700
Re: Artemis successful liftoff. Yamn2 Remailer <noreply@mixmin.net> - 2026-04-02 08:50 +0100
Re: Artemis successful liftoff. Snidely <snidely.too@gmail.com> - 2026-04-04 14:08 -0700
Re: Artemis successful liftoff. Snidely <snidely.too@gmail.com> - 2026-04-04 15:38 -0700
Re: Artemis successful liftoff. x3 <x@x.net> - 2026-04-09 15:47 -0700
Re: Artemis successful liftoff. Niklas Holsti <niklas.holsti@tidorum.invalid> - 2026-04-10 17:43 +0300
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