esa.int

Daxtron2, do astronomy w Webb captures iconic Horsehead Nebula in unprecedented detail

I always love seeing the telltale Webb diffraction spikes. Great new pictures.

proper, do esa w Juice confirms that Earth is habitable
@proper@lemmy.world avatar

“We are obviously not surprised by these results… it would have been extremely concerning to find out that Earth was not habitable! But they indicate that MAJIS and SWI will work very successfully at Jupiter, where they will help us investigate whether the icy moons could be potential habitats for past or present life.”

Zachariah, do esa w First detection of negative ions on the Moon
@Zachariah@lemmy.world avatar

The first ESA instrument to land on the Moon has detected the presence of negative ions on the lunar surface produced through interactions with the solar wind.

The European team working with the Negative Ions at the Lunar Surface (NILS) instrument confirmed the success of this scientific mission that flew to the far side of the Moon aboard the Chang’e-6 spacecraft.

The discovery of a new component of plasma at the surface of the Moon opens a new window for space physics and for human and robotic missions in an era of renewed lunar exploration.

XeroxCool, do astronomy w Webb captures iconic Horsehead Nebula in unprecedented detail

The number of galaxies present in JWST images always makes me want to puke

umbrella,
@umbrella@lemmy.ml avatar

vertigo?

XeroxCool,

Existential crisis about how every narrow image shows 100,000x the amount of matter and bodies that I already can’t conceptualize from just our own galaxy

diykeyboards, do astronomy w We're heading for Venus: ESA approves EnVision

But still we stand tall

Alkaseltzer028,

'Cause maybe they’ve seen us

Illuminostro,

And they’ll eat us all, yeah…

troyunrau, do esa w How to watch the Ariane 6 Launch tonight (Tue) at 21:00 CEST (Amsterdam/Berlin)
@troyunrau@lemmy.ca avatar

Godspeed! I don’t think Ariane 6 will go down in history as a successful rocket, mostly on account of the shift in economics forced on the rest of the industry by SpaceX. But I do get excited for debut launches – some very clever people worked very hard on this. :)

Morphit, do esa w Ariane 6 joint update report, 16 September 2024
@Morphit@feddit.uk avatar

Doesn’t seem like much info on the APU anomaly:

Analysis shows that one temperature measurement exceeded a pre-defined limit and that the flight software correctly triggered a shut down

Sounds like the fix is changing the start up procedure such that it doesn’t reach the temperature limit. It would be nice to know why it went outside what they deemed safe but I guess it is rocket science.

Buzztiger,

Yes, not really the complete picture of what happened.

Would have there been actual damage to the system or even destruction if the software did not shut down? Or was the temperature threshold set too conservative? Did the thermal simulations not match the observed temperatures and if so why?

What’s the solution to this problem now for the next flight?

Buzztiger, do esa w How to watch the Ariane 6 Launch tonight (Tue) at 21:00 CEST (Amsterdam/Berlin)

If it reenables European sovereign and independent access to space it’s a success. Fingers crossed that it’s also as reliably as A5. Commercially I agree.

threelonmusketeers, do esa w Euclid Galaxy Zoo – help us classify the shapes of galaxies

First came across this project on DeepSkyVideos several years back. Glad to hear that it’s still going!

threelonmusketeers, do esa w Ariane 6 inaugural launch targeted for 9 July

Nice! One month to go!

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