Groups | Search | Server Info | Login | Register


Groups > sci.space.policy > #69097

Re: Artemis successful liftoff.

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.

Show all headers | View raw


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

Back to sci.space.policy | Previous | NextPrevious in thread | Next in thread | Find similar


Thread

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

csiph-web