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@cosmos4u@scicomm.xyz
2026-04-16 08:27:03

The #ArtemisII show goes on - in 10 hours at 18:30 UTC a press conference with the crew at youtube.com/watch?v=_43Ei9eQVww

@cosmos4u@scicomm.xyz
2026-03-17 00:18:22

Also from the #LPSC #NASA HQ Briefing: the science riding along on #ArtemisII - I think "verbal descriptions" of the Moon haven't been defined science objectives since the Apollo days.

@seav@en.osm.town
2026-04-15 03:43:08

#Melodysheep, one of the best YouTube channels out there, has published a gorgeous tribute to #ArtemisII! 🚀
youtu.be/SGxz4LQfRpo

@cosmos4u@scicomm.xyz
2026-04-16 23:06:02

Artemis II - Return to the Moon: #ArtemisII.

@chris@mstdn.chrisalemany.ca
2026-04-11 00:30:41

watching the capsule plummet through the air before the chutes opened was definitely a little 😬
that was really great
#ArtemisII

@elduvelle@neuromatch.social
2026-04-10 23:15:06

!!! #ArtemisII sur le chemin du retour!
Le Monde – EN DIRECT, Artemis-2 : les astronautes de la NASA sont désormais Š moins de 13 000 km de la Terre, suivez leur retour

@LillyHerself@Mastodon.social
2026-04-11 01:19:55

In order to celebrate the successful return to Earth of the #ArtemisII, I have defrosted a chocolate muffin in the replicator, er, I mean microwave oven.
The future is here, baby!
<gif of Kermit drinking tea>

@cosmos4u@scicomm.xyz
2026-04-15 21:47:15

The saga of the zodiacal-light-behind-the-Moon from #ArtemisII in search of a fully correct #caption continues ... The #NASA text for image flickr.com/photos/nasa2explore published today finally does away with falsely claiming that this is the corona - good if shockingly late. But now it says: "The glow around the Moon is called zodiacal light, which describes interstellar dust that’s reflecting sunlight" - wrong again, it's interplanetary dust in our own solar system ...

@BugWarp@wikis.world
2026-04-11 02:03:52

Turns out the #ArtemisII reentry was visible from the #ISS . Amazing!
sen.com/video/e1cbd8ed-1363-4a

@floheinstein@chaos.social
2026-04-08 04:10:22

Breakfast. Like an astronaut.
#nutellainspace #artemisii

A hand holding a glass of Nutella high, next to it the moon behind the leaves of a tree
@funkvolk@mastodon.social
2026-04-06 10:28:22

Nett hier, aber waren Sie schon mal hinter dem Mond?
#ArtemisII #Artemis2

@tinoeberl@mastodon.online
2026-04-04 14:16:21

Die Crew von #ArtemisII hat erstmals hochauflösende Bilder der #Erde auf dem Weg zum #Mond veröffentlicht.
Nach dem Trans-Lunar-Injection-Manöver fotografierte Kommandant Reid

@me@mastodon.peterjanes.ca
2026-04-11 02:05:52

Know where a great place to have watched the #ArtemisII mission, from launch to splashdown, would have been? The Ontario Science Centre.
#onpoli

@elduvelle@neuromatch.social
2026-04-11 00:10:22

They have landed!! #ArtemisII

a photo of my computer screen showing the splashdown of the Artemis II crew, a little capsule in the blue ocean with 3 parachutes
@shaun@mastodon.xyz
2026-04-06 18:02:38

I’m not crying, you’re crying #ArtemisII #CarrollCrater

@joannalaine@hachyderm.io
2026-04-07 15:40:03

I’ve made my calls to my representatives, so it’s time to share these four beautiful nerds.
More here: #ArtemisII

@cosmos4u@scicomm.xyz
2026-05-14 14:45:49

Half an hour till a Live Q&A with the #ArtemisII crew at the Canadian Space Agency: youtube.com/watch?v=CDOspdklOro (and if you can't wait: in youtube.com/watch?v=2ES9WGxEMK0 they just spoke for an hour with Oprah).

@padraig@mastodon.ie
2026-04-01 22:28:25

Ticktock #ArtemisII

@chris@mstdn.chrisalemany.ca
2026-04-06 18:06:16

GROUP HUG for Carroll's Crater
(spouse of Commander Reid who passed away)
everybody's crying around here!
that was special.
#ArtemisII

@BugWarp@wikis.world
2026-04-10 23:23:47

Erasmus clock "next stop: Earth" ❤️ #ArtemisII

@cosmos4u@scicomm.xyz
2026-05-14 16:37:32

Brazilian technology helps NASA assess health risks for astronauts on mission to the Moon: #ArtemisII mission.

@funkvolk@mastodon.social
2026-04-06 21:01:27

- Gib mir mal bitte mein Portable Computing Device.
- Du meinst Dein Handy?
- PORTABLE COMPUTING DEVICE!
#ArtemisII #Artemis2

@cosmos4u@scicomm.xyz
2026-04-13 20:27:54

Fresh off their return to Earth, the #ArtemisII astronauts will hold a news conference at 2:30 p.m. EDT Thursday, April 16, at NASA’s Johnson Space Center in Houston to discuss their historic mission around the Moon: nasa.gov/news-release/nasa-to-

@chris@mstdn.chrisalemany.ca
2026-04-07 02:33:34

he won't say Canada.
"neighbour"
Cmd Jeremy Hansen will be very diplomatic.
more diplomatic than anyone on planet Earth needs to be.
#artemisIi

@BugWarp@wikis.world
2026-04-11 02:59:48

Rob Navias: "From the pages of Jules Verne to a modern day mission to the moon, a new chapter of exploration of our celestial neighbour is complete. This mission is over but the melody lingers on."
Me:
#ArtemisII

Serge Gainsbourg crying while smoking
@floheinstein@chaos.social
2026-04-01 22:52:46

Wife: "it's a shame that in the history books, the return to the moon is now connected with... THAT president."
Me: "I see it this way: These four humans are they luckiest ever, the get further away from him than anybody else."
#artemisii

@cosmos4u@scicomm.xyz
2026-03-12 19:10:02

So the #ArtemisII FRR went "go" on all counts, they hope to roll out the stack to the pad again on 19 March and be ready to launch on 1 April at 22:24 UTC - the table of possible launch dates in April nasa.gov/wp-content/uploads/20 just had another one added for 2 April.

@chris@mstdn.chrisalemany.ca
2026-04-07 02:39:29

that awkward pause after Trump bragged about ttalking to the Great One and PM Carney was 300,000km long. 😂 😂 😂
And the laugh was..... beautiful. 😂
#artemisIi

@funkvolk@mastodon.social
2026-04-05 10:55:02

I just realized that they are basically flying two eggs.
#ArtemisII #Artemis2

@cosmos4u@scicomm.xyz
2026-03-12 18:33:26

The NASA's #ArtemisII Flight Readiness News Conference should commence in 1/2 hour on youtube.com/watch?v=SpMMAdqMGWA

@BugWarp@wikis.world
2026-04-09 19:23:50

So nice to hear Rob Navias at the #ArtemisII broadcast. Absolute legend.

@cosmos4u@scicomm.xyz
2026-04-13 00:39:08

Recap videos of #ArtemisII from NASA and LockMart: youtube.com/watch?v=IfRqrrBbT-Y and youtube.com/watch?v=dwaLS3KLc5M. And what Gene Krantz thinks of all this: youtube.com/watch?v=qUfKtg1qbYk

@chris@mstdn.chrisalemany.ca
2026-04-06 18:47:11

There is another Artemis tracking page here.
The Canadian version is down.
#NASA #ArtemisII
artemis2-mission.com

@cosmos4u@scicomm.xyz
2026-04-11 19:12:43

The #ArtemisII crew on the John P. Murtha with their Orion - on youtube.com/watch?v=DYY4nnfxKbU their arrival in Houston will be streamed from 20:00 UTC today!

@chris@mstdn.chrisalemany.ca
2026-04-07 21:07:24

Neil DeGrasse Tyson is a global treasure. Watching his interview with the CBC in relation first to the significance of the Canadian on the Artemis II and on the mission in general is really a delight.
A truly masterful communicator.
His section starts at 4:35
#Canada #Space #ArtemisII

@funkvolk@mastodon.social
2026-04-01 16:05:16

Raumschiff Orion also heute Nacht am Start. Nice.
#ArtemisII

Szene aus der Serie "Raumpatrouille Orion", schwarz-weiß. Die Besatzung steht bzw. sitzt um eine blinkende Maschine herum.
@BugWarp@wikis.world
2026-04-08 02:12:27

A nice reminder that @… just shared :)
#ArtemisII

A screenshot of the user page of Astro Christina, the username of Christina Koch in Wikimedia projects. It features two userboxes. One featuring the blue marble saying "this user has left the planet Earth 2 times" and another one featuring the Wikipedia logo saying "This user has an article about herself on Wikipedia".
@chris@mstdn.chrisalemany.ca
2026-04-06 18:36:46

two Canadians playing key roles right now as this historic flyby happens! Jeremy Hansen of course is in the Integrity capsule and fellow CSA astronaut Jenni Gibbons is the CapCom during that time and most of the active time of the Artemis mission!
#nasa #moon #artemisII

@cosmos4u@scicomm.xyz
2026-04-10 23:41:29

Separation of the ESM! #ArtemisII continues to deliver impressive visuals.

@cosmos4u@scicomm.xyz
2026-04-11 02:34:26

What a sad moment when the 24/7 #ArtemisII live stream was shut down at 2:20 UTC ...had it on almost, well, 24/7. ;-) Little consolation prize: the Artemis II Post-Splashdown News Conference in a few minutes on youtube.com/watch?v=Ir2X1-FjDxg

@cosmos4u@scicomm.xyz
2026-04-11 04:30:37

Going to the Moon and back apparently makes you … very happy: #ArtemisII astronauts Glover and Koch in the helicopter after landing on the USS John P. Murtha.

@BugWarp@wikis.world
2026-04-06 23:46:29

For all the critics I made of the camera direction during launch, today is a good reminder of why NASA'S PAO is the gold standard. #ArtemisII

@chris@mstdn.chrisalemany.ca
2026-04-01 22:40:10

YES!!!
go go go!!!
#artemisII

@cosmos4u@scicomm.xyz
2026-04-10 20:25:43

On #ArtemisII ... 3:45 till splash-down.

@cosmos4u@scicomm.xyz
2026-04-11 02:10:21

RE: #ArtemisII to the boat.

@chris@mstdn.chrisalemany.ca
2026-04-01 22:27:07

Made it home in time!
Still go for launch!
Clock starting! -10m
#artemisII

@cosmos4u@scicomm.xyz
2026-04-09 17:55:00

NASA just dropped a hi-res image from the beginning of the eclipse #ArtemisII experienced at flickr.com/photos/nasa2explore - it's dominated by a broad corona streamer bundle sitting on top of the zodiacal light pyramid. (In skyweek.wordpress.com/2026/04/ I have rotated it so that it matches the SOHO LASCO C2 view which in facebook.com/photo/?fbid=10164 is matched to the well-known eclipse end picture.) But south of the streamers sits something bright at the lunar limb that baffles me: what can be so bright - and even colorful - at this location when the Sun is already well behind the Moon? Is this astrophysics or rather selenophysics? Ideas?

@cosmos4u@scicomm.xyz
2026-04-09 02:52:52

The #ArtemisII Crew News Conference is underway at youtube.com/watch?v=kkyUSFYrsKM is underway - looong delay between questions and answers.

@cosmos4u@scicomm.xyz
2026-04-08 20:20:23

And the #ArtemisII zodiacal light images from the GoPro camera (!) are *also* 'full of stars' (and three planets) as bsky.app/profile/chrisbecke.bs shows.

@cosmos4u@scicomm.xyz
2026-04-08 20:31:13

The next #ArtemisII Daily News Conference is coming up at the top of the hour: youtube.com/watch?v=8ZFM9ywOpl0 (and later we'll have - at youtube.com/watch?v=kkyUSFYrsKM - the first and only press conference with the crew).

@BugWarp@wikis.world
2026-04-01 17:52:43

NASA's most import launch in decades and they are using the most choppy video codec ever. #ArtemisII

@cosmos4u@scicomm.xyz
2026-04-08 22:54:45

Back to the #ArtemisII launch exactly one week ago - here is a most remarkable Near-Infrared high-resolution video of it: youtube.com/shorts/SJ7aMoRa0wA (particularly clear because long wavelengths are less affected by seeing).

@cosmos4u@scicomm.xyz
2026-04-09 17:56:38

Meanwhile in an hour on #ArtemisII press conference with details about the Orion's return.

@cosmos4u@scicomm.xyz
2026-04-08 23:12:18

In visible light - and color - the #ArtemisII launch in high resolution is also nice: youtube.com/shorts/a1uvU8Y7h10

@cosmos4u@scicomm.xyz
2026-04-10 00:40:39

RE: #ArtemisII solar eclipse the dark Moon was surrounded solely by zodiacal light as the 20° large disk covered the solar corona completely - but at the beginning and end of the eclipse parts of the corona and its streamers could be imaged, too, for a short time, contrast-enhanced here!

@cosmos4u@scicomm.xyz
2026-04-08 19:52:21

The Moon-in-front-of-the-Zodiacal-Light image from #ArtemisII has even more in it than first thought: facebook.com/photo/?fbid=26714 shows how you can locate comet C/2025 R3 (PANSTARRS) in it by starhopping via Markab - the comet had about 6 mag. at the time.

@cosmos4u@scicomm.xyz
2026-04-08 20:27:31

Good news from another one of the #CubeSats sent along with #ArtemisII - Germany's #Tacheles has phoned home: tu.berlin/news/nachricht/artem (in n2yo.com/satellite/?s=68539 its highly elliptical orbit),

@cosmos4u@scicomm.xyz
2026-04-07 13:52:04

The #ArtemisII picture I had been waiting for - the dark Moon with a bit of #earthshine on the left in front of the #zodiacalLight going all around: images.nasa.gov/details/art002 (this is essentially the Apollo 11 image from 1969 - facebook.com/dan.fischer.393/p - again but with the Sun more centered ... and with half a century of photo tech inbetween).

@cosmos4u@scicomm.xyz
2026-04-07 13:26:34

Next #ArtemisII lunar close-up picture published: flickr.com/photos/nasa2explore with part of the terminator on the far side.

@cosmos4u@scicomm.xyz
2026-04-07 13:39:53

Here is earthrise after #ArtemisII has passed behind the Moon as seen from Earth: images.nasa.gov/details/art002

@cosmos4u@scicomm.xyz
2026-04-07 13:22:40

And so the *real* images from the #ArtemisII ride behind the Moon are beginning to come in! Here is the Earth setting at 22:41 UTC yesterday: flickr.com/photos/nasa2explore

@cosmos4u@scicomm.xyz
2026-04-07 18:35:57

Yes, you can identify several (K) corona streamers in the #ArtemisII image of the end of the solar eclipse - by comparing it with a SOHO LASCO C2 image from 4 hours earlier: facebook.com/photo/?fbid=10164 (the glow behind them and *everything* in flickr.com/photos/nasa2explore is zodiacal light, unrelated to the sizzling solar atmosphere). Meanwhile here is yet another NASA album for photographs from the flyby: nasa.gov/gallery/lunar-flyby/

@cosmos4u@scicomm.xyz
2026-04-07 14:04:11

The end of the #SolarEclipse for #ArtemisII with probably some K #corona streamers becoming visible against the diffuse F corona: images.nasa.gov/details/art002 - more processing (like with a traditional corona image from a TSE on Earth) will be required.

@cosmos4u@scicomm.xyz
2026-04-06 23:07:59

Earth vanishing behind the Moon for the #ArtemisII Orion - only a super-crappy camera caught the scene live. Closest approach to the Moon and largest distance from Earth also just happened. The latter should reappear at about 23:22 UTC and communication regained: skyweek.wordpress.com/2026/04/ is covering events now ... and hopefully many *good* photographs arriving in the coming days.

@cosmos4u@scicomm.xyz
2026-05-06 19:50:18

NSF Green Bank Observatory Shares Images, Data From #ArtemisII Mission: public.nrao.edu/news/there-are - radar signals received by world’s largest fully steerable radio telescope tracked spacecraft with NASA’s communications network for historic lunar test flight.

@cosmos4u@scicomm.xyz
2026-04-07 13:59:31

Part of the #ZodiacalLight and #earthshine - with Mare Crisium - in yet another #ArtemisII image: images.nasa.gov/details/art002

@cosmos4u@scicomm.xyz
2026-04-07 20:00:25

Another view of the #ZodiacalLight behind the #Moon, from a camera on the solar cells. And the daily #ArtemisII press conferences resume now, the first one post-flyby coming up at the bottom of the hour: youtube.com/watch?v=5YWATA3d5dU

@cosmos4u@scicomm.xyz
2026-04-06 19:04:25

The Mare Orientale is moving more and more to the center of the Moon for the #ArtemisII crew, here in the latest image flickr.com/photos/nasa2explore zoomed in on the right,

@cosmos4u@scicomm.xyz
2026-04-05 21:22:55

The Earth in the #ArtemisII rearview mirror - kind of - today, really small now: flickr.com/photos/nasa2explore. All about the lunar flyby in a press conference at 22:30 UTC at youtube.com/watch?v=46uxUxGpjtY - 75 minutes from now. And the window view of Earth just after leaving, with geography identified: facebook.com/rherrera71/posts/

@cosmos4u@scicomm.xyz
2026-04-06 00:41:04

Exactly 24 hours from now - at 0:35 UTC on 7 April - the total eclipse for the #ArtemisII crew will begin ... will they see / be able to photograph the fading detached dust tail of #Kreutz comet MAPS imaged here by #ZodiacalLight / potential dust hovering over the lunar limb might record it as well.

@cosmos4u@scicomm.xyz
2026-04-06 00:51:50

More #MareOrientale in this new #ArtemisII #Moon image - flickr.com/photos/nasa2explore - than in the first one with a long focal length presented. The lunar flyby webcast youtube.com/watch?v=z-j1uxBmis0 will begin at 17:00 UTC today and the lunar observations run from 18:45 UTC to 1:20 UTC on 7 April - as explained in the press conference tonight we will mostly get images from the exterior cameras with astronaut commentary of what they see; real photographs like this one will be downloaded later during the day and the following ones.

@cosmos4u@scicomm.xyz
2026-04-04 11:18:18

There is now some lunar surface detail visible in #ArtemisII photographs showing the Moon behind the Orion: from the JSC album flickr.com/photos/nasa2explore which should also be monitored for new mission images dropping.

@cosmos4u@scicomm.xyz
2026-04-05 01:14:44

NASA has finally published a detailled simulation of what the #ArtemisII lunar flyby will look like from the Orion: youtube.com/watch?v=dmQ4546iIvI - happy to see that it matches the two simulations (prepared on my request, assuming an April 1st launch) I had shown on March 30th in skyweek.wordpress.com/2026/03/ had essentially nailed it. Actual times of key events have recently been added to nasa.gov/missions/artemis/arte (under Monday, April 6) - the main question now is how much of this culmination of the mission we will see ... and when. At a press conference Sunday at 22:30 UTC more information is expected.

@cosmos4u@scicomm.xyz
2026-04-03 14:02:26

And so #ArtemisII delivers ... the dark side of the Earth last night, illuminated by the full Moon, with a bright atmospheric arc indicating where the Sun is hiding and aurora in several places. While beyond Earth at 5 o'clock you see the zodiacal light and Venus and many stars. A bit noisy but something never imaged before AFAIK - the Apollo era photographic film wasn't up to this. From x.com/NASA/status/204005977023 while x.com/NASA/status/204005974084 shows a fraction of the Earth's dayside.

@cosmos4u@scicomm.xyz
2026-05-03 13:54:39

12,217 pictures taken during the #ArtemisII mission have been dumped at eol.jsc.nasa.gov/SearchPhotos/ (thumbnails) and eol.jsc.nasa.gov/SearchPhotos/ (table), so far without listed metadata or tags. At first glance no entirely new vistas beyond the PR releases out during / just after the mission appear in this vast collection, mostly endless exposure sequences and unlucky sky images - but amateur image processors can now stack and further enhance the Artemis II haul with a vengeance ...

@cosmos4u@scicomm.xyz
2026-04-05 18:18:32

The #Moon in a perfectly fitting #easteregg shape in the live stream #ArtemisII right now. Two new updates: nasa.gov/blogs/missions/2026/0 and just in nasa.gov/blogs/missions/2026/0

@cosmos4u@scicomm.xyz
2026-04-03 18:09:23

By popular demand here is the full-moon-lit night image of Earth from #ArtemisII in a rotated (NW now up) and zoomed-in version, now directly from nasa.gov/image-article/hello-w - the technical data has nitter.net/Erdayastronaut/stat and there is also a version with much shorter exposure at nitter.net/NASA/status/2040114 and a half-Earth at nitter.net/NASA/status/2040114 while the view with the window frame is at images.nasa.gov/details/art002

@cosmos4u@scicomm.xyz
2026-04-02 17:42:50

The best view from the #ArtemisII mission so far came at noon UTC today when a solar-wing-mounted camera broastcast this view of Earth some 70,000 km away next to the ESM engines for a while. The Orion and the ESM are on their way back to perigee now - and around 23:45 UTC the trans-lunar injection burn is expected.

@cosmos4u@scicomm.xyz
2026-04-03 02:39:57

The first orbital media event with the #ArtemisII crew is happening right now, live on youtube.com/watch?v=m3kR2KK8TEs

@cosmos4u@scicomm.xyz
2026-04-03 00:01:37

After a successful 5 minutes 55 seconds Translunar Injection Burn the daily #ArtemisII press conference should come at the bottom of the hour: youtube.com/watch?v=j3Pq35gm4qA

@cosmos4u@scicomm.xyz
2026-04-02 00:15:55

And now an #ArtemisII post-launch press conference on youtube.com/watch?v=BrhH05U_Zds

@cosmos4u@scicomm.xyz
2026-04-03 20:33:02

RE: #ArtemisII Mission Update briefing: youtube.com/watch?v=z5PLvqX2q8w - in Q&A we learned that contact has been made to only two of the four CubeSats deployed so far, the German one mastodon.social/@DLR@social.bu not among them. Anyway, here is a cool timelapse of the deployment as seen in the sky: bsky.app/profile/s2a-systems.b

@cosmos4u@scicomm.xyz
2026-04-01 11:51:00

A permanent webcast of #ArtemisII has begun at youtube.com/watch?v=m3kR2KK8TEs and will first cover tanking and run all the way to splashdown (separate webcasts will cover special mission phases like lift-off). Also live updates will be published on the page nasa.gov/blogs/missions/2026/0 just set up.

@cosmos4u@scicomm.xyz
2026-04-01 23:29:04

The best view from the botched #ArtemisII NASA launch webcast: the separation of the Interim Cryogenic Propulsion Stage (with the Orion, not visible) from the Core Stage, seen from the Launch Vehicle Stage Adapter - scroll down on skyweek.wordpress.com/2026/04/ for a sequence of nine screenshots from the whole ascent.

@cosmos4u@scicomm.xyz
2026-04-01 23:25:26

The first (NASA) photograpg of the #ArtemisII launch published: flickr.com/photos/nasahqphoto/

@cosmos4u@scicomm.xyz
2026-03-31 16:46:38

At the top of the hour the #ArtemisII L-1 Countdown Status News Conference - the final one before the planned launch: youtube.com/watch?v=1PhQJCzhCOw (new on the panel for the first time is launch weather officer Mark Burger).

@cosmos4u@scicomm.xyz
2026-03-30 20:33:51

At the top of the hour an #ArtemisII L-2 Countdown Status News Conference at youtube.com/watch?v=VL3AyQ766vc - according to the timeline nasa.gov/general/nasa-releases the countdown should begin 15 minutes from now; check nasa.gov/blogs/artemis/ for updates.

@cosmos4u@scicomm.xyz
2026-04-01 19:24:17

Since this one will certainly be archived (not sure about the permanent webcast), #ArtemisII launch. The crew is already in the capsule - this had been their walk-out: facebook.com/watch/?v=20868756 and facebook.com/scott.schilke.1/p

@cosmos4u@scicomm.xyz
2026-03-29 15:24:01

At the bottom of the hour an #ArtemisII Q&A with the crew from Quarantine: youtube.com/watch?v=Ii_tmJff7LQ. Followed at 18:00 UTC by an Artemis II L-3 Countdown Status News Conference at t-3 days: youtube.com/watch?v=TQH21XCsp5U

@cosmos4u@scicomm.xyz
2026-04-29 00:40:28

So far NASA hasn't released any post-flight images of the #ArtemisII heat shield (except for a weird under-water view) - but here is one, kind of, I have extracted from the series facebook.com/NavalBaseSD/posts of images taken by the Naval Base San Diego during a series of precision crane lifts and movements to prepare the Orion spacecraft for its final cross-country trip to Kennedy Space Center.

@cosmos4u@scicomm.xyz
2026-02-26 02:13:02

And the #ArtemisII stack is back in the VAB, arriving around 1:00 UTC today: nasa.gov/blogs/missions/2026/0 - while in the assembly building, technicians will troubleshoot the helium flow issue to the rocket’s upper stage, replace batteries on the rocket’s upper stage, core stage, and solid rocket boosters as well as service its flight termination system.

@cosmos4u@scicomm.xyz
2026-02-27 15:01:05

And now on #ArtemisII Update to discuss "the next steps": nasa.gov/news-release/nasa-inv

@cosmos4u@scicomm.xyz
2026-02-26 00:13:16

Near the end of a sad journey ... the #ArtemisII stack almost back at the VAB after crawling for 9 1/2 hours, from the live feed youtube.com/watch?v=xCrPD7tfcr0 - see nasa.gov/blogs/missions/ for updates.

@cosmos4u@scicomm.xyz
2026-03-28 00:32:43

The #ArtemisII mission has quite an impact on ... the operation of the James Webb Space Telescope as #JWST operations plan currently assumes roughly a quarter of the usual #DeepSpaceNetwork (DSN) access will be available, which has a direct impact on the number of science visits that can be executed and the volume of data that can be downlinked."

@cosmos4u@scicomm.xyz
2026-03-27 19:21:53

Q&A with the #ArtemisII crew when they just arrived at the KSC: youtube.com/watch?v=lg-sDsbJp7E. And how Europe will power the journey to the Moon and back: youtube.com/watch?v=kq6hz0GFEO4 - from ESA which also made youtube.com/watch?v=eMt0njvmu0Y

@cosmos4u@scicomm.xyz
2026-03-26 02:21:50

During NASA’s #ArtemisII mission to the Moon, four astronauts will live and work inside the Orion spacecraft after launching atop the SLS (Space Launch System) rocket: youtube.com/watch?v=1lxDQj7CFyI - the crew will test Orion’s systems throughout their 10-day mission to ensure the spacecraft can keep astronauts safe and healthy in deep space.

@cosmos4u@scicomm.xyz
2026-02-24 03:28:05

Due to weather, NASA now is targeting early Wednesday, Feb. 25, to roll the SLS (Space Launch System) rocket and Orion spacecraft for #ArtemisII off the launch pad and back to the Vehicle Assembly Building (VAB) at the agency’s Kennedy Space Center in Florida: nasa.gov/blogs/missions/2026/0 - cold temperatures and high winds are expected Tuesday, and rolling on Feb. 25, gives teams enough time to complete preparations at the launch pad that were limited today by high winds in the area.

@cosmos4u@scicomm.xyz
2026-02-21 21:04:27

NASA is taking steps to potentially roll back the #ArtemisII rocket and Orion spacecraft to the Vehicle Assembly Building (VAB) at the agency’s Kennedy Space Center in Florida after overnight Feb. 21 observing interrupted flow of helium to the SLS (Space Launch System) rocket’s interim cryogenic propulsion stage: nasa.gov/blogs/missions/2026/0 - the upper stage uses helium to maintain the proper environmental conditions for the stage’s engine and to pressurize liquid hydrogen and liquid oxygen propellant tanks; the systems worked during NASA’s Artemis II wet dress rehearsals, but teams were not able to properly flow helium during normal operations and reconfigurations following the wet dress rehearsal that concluded Feb. 19.

@cosmos4u@scicomm.xyz
2026-02-20 03:44:26

"The #ArtemisII wet dress rehearsal ended today at 10:16 p.m., concluding as planned at T-29 seconds in the countdown."