How the Euclid Telescope was Rescued

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00:00 Introduction
02:25 Stray Light
03:40 Fine Guidance Sensor Problem
05:13 Sponsor Message - Novium Hoverpen
06:24 How Euclid Makes Images
07:44 Perseus Cluster
08:53 IC 342 "Hidden Galaxy"
09:58 NGC 6822 Dwarf Irregular Galaxy
11:35 Globular Cluster NGC 6397
12:48 The Horsehead Nebula and Rogue Planets
14:15 Euclid's Next Steps
15:20 A personal note and thank you Patrons!
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🧭 References:
Euclid's first images: the dazzling edge of darkness www.esa.int/Science_Explorati...
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Опубликовано:

13 июн 2024

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Комментарии : 72

@LaunchPadAstronomy 5 месяцев назад

Enjoy 10% discount and free shipping on all Hoverpens with code LPA: North America & other countries: bit.ly/lpa_novium UK & Europe: bit.ly/noviumeu_lpa

@sadderwhiskeymann 5 месяцев назад

You're back 🎉 I hope you are ok and nothing bad kept you from creating astonishing videos

@LaunchPadAstronomy 5 месяцев назад

Thanks! Nothing bad happened, I just got overwhelmed with my day job :(

@sadderwhiskeymann 5 месяцев назад

@@LaunchPadAstronomy that's very nice to hear. You're a gem Sir. Do not forget that ❤️

@4GibMe 5 месяцев назад

Missed, but not forgotten. Yes, please, to your offer on your Planetarium. You always put on a good production. I'm sure that would be just as interesting as your other installments. Thanks.

@metiusabt2581 5 месяцев назад

I second that!

@100vg 5 месяцев назад

Great to see you again. I was wondering a few days ago. Yes, I'd love to see your Planetarium. Best of luck at Towson University.

@dr4d1s 5 месяцев назад

It's always a great day when there is a new LPA video! Thanks Christian; I can't wait to watch it.

@cykkm 5 месяцев назад

Christian, each of your videos is a golden nugget! You go down to minute details I'd hardly ever find by myself. I still remember your η Car video with those simulations of spiraling gas shells and explaining the protrusions at the “waist” of the nebula-wow! It's fair to say that every video makes me say “wow” not once!

@LaunchPadAstronomy 5 месяцев назад

Thank you so much, I really truly appreciate it. I've missed making videos and am so glad to get this one done!

@cykkm 5 месяцев назад

@@LaunchPadAstronomy And when I think of Euclid, Gaia and the upcoming N. G. Roman telescopes, I feel a paradigm shift in astronomy. Thanks in part to the proliferation of useless cryptomining and chatbots talking like they lost a few marbles, we have such a huge and still growing, and more and more affordable computing infrastructure. Last year I set my personal record: I ran a computational experiment in parallel on 180 32-core machines in the cloud. I'm now getting results in a couple hours from computations that 10 years ago would take 10 years to complete on what I had back then. :) Astronomy is shifting towards being a Big Data science. The amount of data in these wide-field observations is so many orders of mag beyond what astronomers (their grads, actually, I remember my time as one :-)) ) and the Galaxy Zoo regulars can ever process by eyeballing.

@woody5109 5 месяцев назад

Great video, as always, thanks and welcome back sir.

@LaunchPadAstronomy 5 месяцев назад

Thanks! I've missed making videos.

@jenbanim 5 месяцев назад

These videos are always a gift. Thanks for coming back!

@Jolielegal 5 месяцев назад

Great video! I wish these ESA missions like Euclid and Gaia were more well known. They are so important to astronomy but most people don't even know of them.

@justexactlyperfectbrothersband 5 месяцев назад

We don't mind Days Between your videos Christian, they are so good they are worth the wait! Yeah tell us about the planetarium, I'm in blighty with no chance of getting there to see it.

@LaunchPadAstronomy 5 месяцев назад

Well thanks. Of course, I'm always trying to get things just exactly perfect, which I really have to ease up on. Happy to talk about the planetarium though!!

@inamortz2372 5 месяцев назад

A treat as always, good to have you back!

@cykkm 5 месяцев назад

15:35: “video about the planetarium” - Yes, yes, please!

@xero0ne1 5 месяцев назад

It’s good to have you back dude!

@dogcarman 5 месяцев назад

Holy moly! The amount of information generated by Euclid will keep astronomers very busy for a long time. What a great investment!

@daveharden5929 5 месяцев назад

Oh WOW 🎉 HoverPen is so freaking cool!

@EC_Euclid 3 месяца назад

Great video! Thanks for highlighting our works. Just share one more thing about FGS part, it’s not only due the exposure duration. Actually we were using different tracking mode during the commissioning but also pointing towards a field which has more reference stars. ESA and our EC scientists have put a lot of effort on it, the good news is that in the end we managed to solve the issue🎉

@LaunchPadAstronomy 3 месяца назад

Thanks for the clarification, and congratulations on getting that issue resolved so nicely!

@scottrader6411 5 месяцев назад

15:35 - Yes! Planetariums are cool....

@ajcross7 5 месяцев назад

Definitely would like to hear about the planetarium, and also just generally about your academic work

@oliveranikolic8158 5 месяцев назад

As usual, I love your videos. Keep posting so we can keep learning !

@LaunchPadAstronomy 5 месяцев назад

Thank you so much. I'm glad to be back making videos!

@AnakinSkywalker-mm3gi 5 месяцев назад

Where have you been Christian?!?!

@LaunchPadAstronomy 5 месяцев назад

Yeah, sorry I've been so absent. I talked a little about it at the end of the video :)

@zlm001 5 месяцев назад

I’ve missed you. Best videos on the subject.

5 месяцев назад

Welcome back! Thanks for The video!!

@rj66600 4 месяца назад

Amazing. I’m really wanting to get into deep sky astrophotography This is a huge motivation to get doing it.

@Wi3rzb0 5 месяцев назад

thanks for the new video!

@cashkaval 5 месяцев назад

Welcome back Christian. And yes, we definitely would like to watch the planetarium video.

@LaunchPadAstronomy 5 месяцев назад

Thanks! And happy to do the planetarium video!

@TheSpiritoftheCocktail 5 месяцев назад

CHRISTIAN!!! It's good to see you!!! As usual, I feel just a smidge smarter after watching your video!! This new telescope is definitely a great companion to JWST!!! Thanks!!!

@LaunchPadAstronomy 5 месяцев назад

Great to see you as well, man. And thanks!

@Amradar123 5 месяцев назад

New video! 🎉 More than 20 JWST updates needed to catch up 😊

@LaunchPadAstronomy 5 месяцев назад

Sorry I've been so absent!

@nazar_panchenko 5 месяцев назад

Interesting and useful science content

@anthonyfrench3169 5 месяцев назад

Christian, you made my day with this video! I always look forward to your videos!!

@LaunchPadAstronomy 5 месяцев назад

Thank you so much!

@MrsTitina 5 месяцев назад

Nice to see you back!

@LaunchPadAstronomy 5 месяцев назад

Thanks, it's good to be back!

@FuriosoDrummer 5 месяцев назад

I would love to see a video about the planetarium!

@zlm001 5 месяцев назад

Yes, planetarium video please.

@maroonangel_ 5 месяцев назад

Fantastic video as always, Christian! Thank you for this; your videos are my favorite way to catch up on what's happening in space and astronomy! I'd love to see what kind of work you've been doing with the planetarium.

@LaunchPadAstronomy 5 месяцев назад

Thank you so much, I really appreciate it. Will definitely put together a planetarium video!

@feelingzhakkaas 5 месяцев назад

excellent informative video. god bless

@daltongalloway 5 месяцев назад

Love space and science

@robertjoyce5629 5 месяцев назад

Yes please, post a video about your planetarium. :)

@snappycattimesten 5 месяцев назад

I think waiting 2 years for the data release will be manageable. It’s only been 13.7 billion years in the making 😊

@cykkm 5 месяцев назад

Christian, if you consider the topic interesting, could you talk about the superenergetic events MS 0735.6+7421 and NeVe 1? I searched for papers, but what I could find was too specialized for me (I have a degree in physics, good grasp on GR, but still, astrophysics at depth is a different beast), and Internet news and press releases are dumbing down everything. Wikipedia says the Oph cluster eruption was generated by the NeVe 1's SMBH consuming 270×10⁶ M☉ worth of material (it's an order of a dwarf galaxy mass!), but then Eddington limit? And I couldn't understand the significance of the 10 kly distance between the eruption center and the current position of that galaxy: Wikipedia says this ended the eruption depriving it of _gas,_ but I can't imagine accretion of 270×10⁶ M☉ of gas alone by the center of a truly giant elliptical-how would the gas sneak to the center in the first place? I naively imagine that it was really either a compact, dense, tightly gravitationally bound dwarf galaxy. If it was a gas cloud, then it would more likely disrupt orbits of the galaxy's own stars-but then, a single continuous eruption, even if 1My long, against the light and burped matter pressure of a feasting SMBH? How dense such a gas cloud should be to pull such a trick? Sounds implausible. If you'd ever consider as detailed an explanation as yours always are, I'd be happy!

@LaunchPadAstronomy 5 месяцев назад

Wow, that does sound interesting. I confess I'm not familiar with the astrophysics involved here either but I'd like to take a look at it. Who knows, maybe there's a video in there somewhere? :)

@cykkm 5 месяцев назад

@@LaunchPadAstronomy They are called in popular articles and… ahem, ever reliable Wikipedia as the two known most energetic events in the Universe, both of the order of 10^54 J. I likely have to correct them, most energetic events in EM: LIGO and friends have probably seen higher energies, not even speaking of their power. Still, these are unimaginable energies, even if released over 10⁵-10⁶ years! There is a 2-min long video at the Chandra's site, but it's popular, for the public. I could find nothing even remotely close in the level of detail to your η Carinae nebula breakdown. All videos and articles explain how the remnant was discovered-the Oph supercluster eruption, how its called, multimodally in X-ray and radio-but not what probably happened.

@Locut0s 5 месяцев назад

Do we know if most globular clusters harbour a black hole in their centres like galaxies do in theirs?

@pobinr 5 месяцев назад

Thanks

@LaunchPadAstronomy 5 месяцев назад

Thank you so much!

@Sylux024 5 месяцев назад

Great video. Sad to see not many views. I didnt even get the new video appear on my feed. RU-vid really prioritses accounts that post quantity over quality 🙄

@LaunchPadAstronomy 4 месяца назад

Tell me about it.

@WireMosasaur 5 месяцев назад

this is probably my gamer brain talking but this explanation makes me imagine Hubble and Webb with these slick high powered sniper rifles (feel free to visualise Hubble as a grizzled retiree) and Euclid rocks up like sup I have the world's most advanced bazooka lol

@txd 5 месяцев назад

That light streak seems like a really benign error. I wonder why it wasn't cought in the prototype testing.

@LaunchPadAstronomy 5 месяцев назад

Yeah, I found that surprising, myself. Goes to show that you can do your best to simulate space on Earth, but it's still a best guess until you go there.

@andreasboe4509 2 месяца назад

Can you give us an update on all the new telescopes that Covid almost killed but are still in the loop? Please? ELT someone? Rubin, Roman, Magellan, TMT, SMT?

@Shaden0040 5 месяцев назад

Can the GWST be used to search out candidates for the New Horizons Probe to continue its mission of visiting Kuiper Belt objects?

@LaunchPadAstronomy 5 месяцев назад

It could, but Euclid might be an even better tool because of its wide field. Unfortunately, NH is in the constellation Sagittarius which isn't part of Euclid's survey space.