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What caused the Brightest Explosion in the Universe? 

Launch Pad Astronomy
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00:00 Introduction
01:21 What was the BOAT?
02:04 Gamma-Ray Bursts and their Afterglow
03:26 The BOAT compared to other GRBs
05:21 Sponsored by Incogni
06:34 How the BOAT was unlike other GRBs
08:41 Webb observations didn't find a supernova
09:32 Hubble image of the BOAT's home galaxy
10:08 Did the BOAT's black hole swallow its supernova?
10:53 Was the BOAT caused by colliding neutron stars?
12:22 Why wasn't the BOAT's jets polarized?
13:11 How Galactic dust formed the BOAT's rings
14:35 Thank you Patrons!
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🧭 References:
ApJ Letters - Focus on the Ultra-luminous Gamma-Ray Burst GRB 221009A: iopscience.iop.org/collection...
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31 май 2024

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Комментарии : 116   
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
🔴 M87's Black Hole Image Gets an AI Upgrade! ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-oX1lVkxEx_4.html
@anthonyfrench3169
@anthonyfrench3169 11 месяцев назад
That was an amazing episode!!!
@ariblue400
@ariblue400 11 месяцев назад
I have a question: if the GRB originated 1,9 billion ly away, how do we know the direction the burst came from. In that time, could've The Milky Way as well as the galaxy nesting the source have rotated in ther respective directions and also moved away from each other even changing angles and all? My doubts originates from the graphics you've shown of a straight line from the source of the GRB until reaching us. Can we for certain and inside some degree of error assume it was a straight line?
@AfricanLionBat
@AfricanLionBat 10 месяцев назад
I love this channel so much
@inamortz2372
@inamortz2372 11 месяцев назад
I love that Voyager 1 was part of the story. Great video as always!
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Thanks a ton!
@ImieNazwiskoOK
@ImieNazwiskoOK 11 месяцев назад
Really shows just how far away it is
@cyndicorinne
@cyndicorinne 11 месяцев назад
You really know your subject. And I like your presentation style.
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Thanks!
@arbodox
@arbodox 11 месяцев назад
I'm in awe by your immaculately clear explanation of the GRB and its related studies. For once, I can actually understand and appreciate how exciting this discovery is! Keep up the good work Christian!
@jae52247
@jae52247 11 месяцев назад
The sheer scale of things in this universe is what draws me to astronomy. And, your passion in astronomy and teaching it to the public is what draws me to your channel. I wish I had you as my professor in astronomy. :)
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Thank you Jae, I really appreciate it!
@quantx6572
@quantx6572 11 месяцев назад
Excellent analysis of this incident. Fascinating. Much appreciated.
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
My pleasure, I'm glad you liked it!
@lifeisstr4nge
@lifeisstr4nge 11 месяцев назад
This channel is like a nice burst of gamma rays from the depths of the RU-vid galaxy
@justexactlyperfectbrothersband
@justexactlyperfectbrothersband 11 месяцев назад
Better to be a BOAT on the ocean than a ship in a bottle. Fascinating stuff Christian, thanks for keeping your style and enthusiasm coming!
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
It's my pleasure and thank you!
@boogieboss
@boogieboss 11 месяцев назад
My friend your channel is the best since channel out there, the way you explain things is top noch. Thank you for you work🙏🏻
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Thanks! 😃
@peterjackson2666
@peterjackson2666 11 месяцев назад
Another fantastic video! Thank you, Christian.
@SuperpowerBroadcasting
@SuperpowerBroadcasting 11 месяцев назад
Great video. Imagine just walking outside and looking up at the right part of the sky and seeing this happen in real time. I remember watching a video about one of these gamma ray bursts from 2008 and someone claimed to have seen it by chance that day
@paulogama7213
@paulogama7213 11 месяцев назад
Yours videos are always so great. Its a delight to watch. Would love to see one about the great attractor.
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Great suggestion!
@hellhound1585
@hellhound1585 10 месяцев назад
Didn’t even know this happened and it’s crazy to think voyager 1 saw it hope we can get more info off of the BOAT
@woody5109
@woody5109 11 месяцев назад
Aiming directly at earth, very thankful for the inverse square law.
@willinwoods
@willinwoods 11 месяцев назад
3:45 Oh, I can just hear your immense satisfaction with that joke! It almost broke your jaw, didn't it? So... Aren't you going to need a bigger BOAT?
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Sometimes the jokes just write themselves :)
@grimlockq
@grimlockq 11 дней назад
Great explanation! I think the most curious thing about this GRB is how incredibly unlikely it is that earth was hit by a “laser beam” from 2 billion light years away. I wonder if years from now we’ll actually understand that it was a black hole communicating with our planet.
@dandurkin9735
@dandurkin9735 11 месяцев назад
Fantastic presentation - I appreciate the detailed explanations. I will never look directly at a BOAT ever again. 😉
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
The more you know... :)
@andrewbendo7147
@andrewbendo7147 10 месяцев назад
Great video, good job 👍🏼
@staffordbiggs4966
@staffordbiggs4966 11 месяцев назад
Great Video, now I am studying Dark Energy and Sark Matter
@nicholashylton6857
@nicholashylton6857 2 месяца назад
Another excellent video!
@BenitoAndito
@BenitoAndito 11 месяцев назад
Launch Pad Astronomy is the BOAT of RU-vid science channels
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
You're very kind, thank you!
@brandoncornwell52
@brandoncornwell52 11 месяцев назад
I imagine that gravitational wave detection might add to our understanding by adding another facet of observation.
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Yep, and I'm kicking myself for not mentioning it in the video. The LIGO array was actually down for upgrades at the time of the outburst. Had it been up it could have ruled in or out the colliding neutron star hypothesis. Of all the things to forget to mention...doh!
@woody5109
@woody5109 11 месяцев назад
Fascinating, technology has opened so many cosmic doors. Great presentation, thanks for sharing.
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Glad you enjoyed it!
@dangerouss4591
@dangerouss4591 10 месяцев назад
Its been said, “ Sometimes you get shown the light. In the strangest of places if you look at it right.” :)
@rickwhite4137
@rickwhite4137 11 месяцев назад
If there was only one burst, accidentally aimed at the earth, there might be many more such gamma burst than we now about.
@will2see
@will2see 11 месяцев назад
"No, you should never, ever look directly into a gamma-ray burst." 😆
@conanichigawa
@conanichigawa 10 месяцев назад
Voyager is still giving us data after all these decades.
@quannga99
@quannga99 11 месяцев назад
Silence answers all questions.
@YonnyMestampo
@YonnyMestampo 11 месяцев назад
4:40 Gobekli Tepe salutes you 🥸
@juangil384
@juangil384 10 месяцев назад
Amazing content
@LaunchPadAstronomy
@LaunchPadAstronomy 10 месяцев назад
Thanks!
@aurinator
@aurinator 6 месяцев назад
"Ever?" Only in the relatively short period of time we've had sufficient technology to even detect them, who knows how many times prior.
@ro4eva
@ro4eva 10 месяцев назад
Holy crap! I'm honestly shocked at how bright the BOAT ended up after it was reviewed.
@tigertiger1699
@tigertiger1699 11 месяцев назад
Insane energies, insanely good vids🙏🙏🙏🙏🙏🙏
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Thank you 🙌
@rickm9244
@rickm9244 11 месяцев назад
Im sure it was far enough away but it goes to show how powerful GRBs are when pointed at us.
@lgl_137noname6
@lgl_137noname6 11 месяцев назад
7:46. Nor into a GRASER,. Eventually. :)
@Sir_Uncle_Ned
@Sir_Uncle_Ned 11 месяцев назад
Could we be seeing a giganova designation thanks to this?
@I.amthatrealJuan
@I.amthatrealJuan 11 месяцев назад
We're quite lucky the light from that event reached us when we have the capability to spot it. I just wonder why its optical afterglow wasn't visible to the unaided eye when a past event did.
@TheOicyu812
@TheOicyu812 11 месяцев назад
♫"Rock the BOAT, . . . don't rock the BOAT baby . . . . "♫
@acidspitinglama1138
@acidspitinglama1138 10 месяцев назад
WOW SO COOL OMG😍😍😍
@YourFrienjamin
@YourFrienjamin 11 месяцев назад
Aliens nuking each other
@invader_jim2837
@invader_jim2837 10 месяцев назад
5 mins in and I had to check to make sure I accidentally restart the video.
@Alexander_Sannikov
@Alexander_Sannikov 11 месяцев назад
history of astronomy shows that whenever we detect something we consider to be so rare it can only happen once in 10000 years, it almost always happens again the same decade, multiple times. once we start actually looking for it.
@ariblue400
@ariblue400 11 месяцев назад
@LaunchPadAstronomy I have a question: if the GRB originated 1,9 billion ly away, how do we know the direction the burst came from. In that time, could've The Milky Way as well as the galaxy nesting the source have rotated in ther respective directions and also moved away from each other even changing angles and all? My doubts originates from the graphics you've shown of a straight line from the source of the GRB until reaching us. Can we for certain and inside some degree of error assume it was a straight line?
@Gamebuster
@Gamebuster 11 месяцев назад
Because light travels at c. Normal light from the galaxy would arrive WITH the GRB.
@ariblue400
@ariblue400 11 месяцев назад
@@Gamebuster But, do we know, unequivocally the source of rhe burst? Or just the general direction?
@Gamebuster
@Gamebuster 11 месяцев назад
@@ariblue400 bruh
@lordmerren9094
@lordmerren9094 11 месяцев назад
Wow........It lasted a couple of hundred seconds? Why didn't someone call me? I could have set up my telescope and had a look, but...............alas, I missed the boat.
@NielsC68
@NielsC68 11 месяцев назад
LPA, six minutesd ago? Time to switch video, let me grab a cool beer as well.
@TopIOSAppGaming
@TopIOSAppGaming 11 месяцев назад
if it was 1.9 billion years away, does that mean it happened 1.9 billion years ago and the light of that event just barely reached earth?
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
That's exactly what it means, though it was hardly "barely" so much as it was still the brightest GRB ever recorded.
@LuckyLucyHi
@LuckyLucyHi 11 месяцев назад
Other RU-vid channels may upload more often but none come close to explaining what's going on in this universe quite as well as Launchpad Astronomy.
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Wow thank you so much!
@abinoypaulalex
@abinoypaulalex 11 месяцев назад
👏
@theOrionsarms
@theOrionsarms 11 месяцев назад
So the BOAT doesn't floating? Maybe was sinking? Or tumbling, or whoever?
@SolaceEasy
@SolaceEasy 3 месяца назад
Row, Jimmy row
@anthonyfrench3169
@anthonyfrench3169 11 месяцев назад
Would LIGO in it's current or updated form be able to observe any gravitional waves from this event I wonder?
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Yes it would have, if it were colliding neutron stars. Unfortunately it was down for upgrades at the time. Should have mentioned that in the video!
@anthonyfrench3169
@anthonyfrench3169 11 месяцев назад
@@LaunchPadAstronomy no worries, I only thought of asking the question once you mentioned the amount of energy it produced.
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
No problem at all. I was already kicking myself for not thinking to discuss it in the video :)
@spottedkangaroo
@spottedkangaroo 11 месяцев назад
BOAT
@TMDragoncro
@TMDragoncro 11 месяцев назад
so we got sniped
@eprohoda
@eprohoda 11 месяцев назад
how is it going?, Launch,gorgeous channel- catch ya later,
@meepk633
@meepk633 11 месяцев назад
Maybe the mass ejection was unusually slow. More of the initial superbright radiation escaped unbothered. Less of the massive material was able to participate in the shockwave formation. And the initial radiation would have less of that ejected material to pass through before it faded, compounding both effects. I have no idea if this actually means anything. I'm basically stringing random words together like a parrot.
@adityaanimations7638
@adityaanimations7638 11 месяцев назад
Why boat ? Name it the goat
@Taricus
@Taricus 11 месяцев назад
Lots of boat memes, but nothing involving Muhammad Ali, who is the one that created the GOAT catchphrase for Greatest of All Time...
@miroslavsebek3016
@miroslavsebek3016 Месяц назад
I think there is no natural way to keep a beam in the direction of our Galaxy (let alone the Solar System!) for 5 minutes at a distance of 2 billion ly. Even the telescope would need correction. It must have been one large body at highly relativistic speeds.
@EdnovStormbrewer
@EdnovStormbrewer 11 месяцев назад
Looks like the entire world just their dose of gamma ray just because of that explosion.
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Or at least the side of the world that was facing it at the time :)
@mrhashbrown8283
@mrhashbrown8283 11 месяцев назад
I'm sorry but how do you just blind a telescope like that? I hope the Fermi telescope is okay now
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Fermi's Large Area Telescope was saturated by the burst, so it had to stop taking data before its detectors could be damaged. Hence it was "blinded" by the BOAT. The missing data was later reconstructed from additional observations made with other instruments in order to figure out how much energy really had to have been hitting Fermi's LAT at the time.
@mrhashbrown8283
@mrhashbrown8283 11 месяцев назад
@@LaunchPadAstronomy Thank you for the explanation the sound of a telescope being blinded was absurd to me so I was confused
@CrasyFingers
@CrasyFingers 11 месяцев назад
is it possible for one of those things to endanger us or give us cancer? what's the closest one of those GRB's could happen to us?
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
In principle yes, but as a matter of practice probably not. There aren't any supernova candidates within "striking distance" of Earth right now, let alone GRB candidates. Of course we could always get remarkably unlucky...
@rivaj
@rivaj 11 месяцев назад
So... we are lucky, because the galaxies itself damped the intensity of the burst.
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
The good news is that at 1.9 Gly away, we wouldn't have received a harmful dose of radiation if the burst weren't obscured by either galaxy. But we are lucky in the sense that we got to see it at all!
@Constantin314
@Constantin314 11 месяцев назад
i think and i hope, all of you scientists are wrong!! this is actually the first species that tried using the power of the Omega particle and, unfortunately, they failed. but they'll manage and visit us :)
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
Occam's razor to the rescue :)
@HansDunkelberg1
@HansDunkelberg1 11 месяцев назад
What would happen to creatures like we know them, on a planet a few lightyears away from such an event?
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
It would depend on the creatures in question and their habitat of course but suffice to say it would be an otherwise lethal dose of radiation for anything on the surface during the burst.
@HansDunkelberg1
@HansDunkelberg1 11 месяцев назад
@@LaunchPadAstronomy I feared so. And up to what a _bigger_ distance would it have to be lethal?
@nerobernardino88
@nerobernardino88 11 месяцев назад
They prolly big ded
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
I don't have a calculation handy but my understanding is that depending on the orientation of the burst, its energy, the amount of surrounding dust, etc., a well-aligned GRB could sterilize ~50,000 light years across a galaxy's disk.
@HansDunkelberg1
@HansDunkelberg1 11 месяцев назад
@@LaunchPadAstronomy That's quite an interesting factor then for an assessment of the chances of an existence of higher extraterrestrial organisms in our galaxy, isn't it?
@sonarbangla8711
@sonarbangla8711 11 месяцев назад
12 hundred years ago the Chinese learned how to track a supernova explosion. This time the Americans cheated the first to detect this explosion and pretended to outdo the Chinese who were the first to record the explosion on Mars.
@duran9664
@duran9664 11 месяцев назад
Humanity age is 6,000 yrs old. 🤦‍♀️🤦‍♀️🤦‍♀️🤦‍♀️🤦‍♀️ Where did I heard that. The church 🤪
@100vg
@100vg 11 месяцев назад
The "Brightest Of All Time' (BOAT) is a rather arrogant title. It implies that Time did not exist before humanity on Earth. The Brightest Of Human Existence (BOHE) would be more like it, IMO, and even that is an assumption. Really only since we've had telescopes to zoom in and then more precise instrumentation to study them and develop our Theories. These advanced spacecraft certainly help. Not to disparage you, Mr. Ready, just relaying my take on its title. You are just reporting what's known and imagined so far and I thank you for that. A very interesting report. It's good that the event can continue to be studied. Theories are expanded and/or corrected through learning and further study will help to discover more about what really happened in this event. Too bad some precious time was lost from blockage by our Sun. Thank you, Sir.
@TheEvilmooseofdoom
@TheEvilmooseofdoom 11 месяцев назад
THAT is picking a meaningless nit.
@lesjones471
@lesjones471 11 месяцев назад
For DAM sake you cannot have black holes in a black environment
@reynoldsmathey
@reynoldsmathey 11 месяцев назад
The naming conventions for galactic phenomena are awkward, consume too much space, and don't engage with the public. There's nothing inspiring about GRB 221009A. They should start naming them. 'Cosmic Dawn', 'Galactic Sterilizer'. Astronomers still have a lot to learn about public engagement. A handful have done it well, but the catalogue of names needs a remake. There are trillions of recordable phenomena, so naturally...we'll NUMBER them?
@samsonsoturian6013
@samsonsoturian6013 11 месяцев назад
They couldn't have called it the Greatest Of All Time?
@stuartmaclean8668
@stuartmaclean8668 11 месяцев назад
As a bit of an amateur expert on this I've been making the prediction that this was caused by a pair-instability supernova which kind of make hypernovae look tame in comparison. From my point of view this is evidence of the pattern of baryogengesis occurring inside the unstable blitzar. Now a stable blitzar will spin into forming the ringularity at the centre of the newly born rotational black hole. An unstable blitzar the ringularity doesn't form but rather, due to the extreme non-linear field dynamics, causes the formation of positron and electron pairs to form which then go on to annihilate one another. Although baryogengesis, by my Big Bang Kilonova model, happens inside the newly born black hole in the case of a pair-instability supernova we get to see the pattern of baryogengesis as it is not hidden or trapped by the event horizon. Thank you ever so much for handing me the evidence that I can use to build this argument Also good work, I was wondering when talking GRB duration if you mention the kilonova with the long-GRB; which off course you did. 😁😁😁😁
@ultrametric9317
@ultrametric9317 11 месяцев назад
The lameness of the usual suspects and their de rigueur invocation never fails to astonish me. Instead of just admitting that here is an unknown phenomenon, extremely specific and so also extremely unlikely conditions are hypothesized. New ideas are stillborn , because they appear in a idea-sterile, hostile groupthink academic world that instantly kills them.
@LaunchPadAstronomy
@LaunchPadAstronomy 11 месяцев назад
I'm not sure I can agree with your statement, given that ideas are the very genesis of the hypotheses we test. Hypotheses such as colliding neutron stars and core-collapsing stars producing GRBs in the first place. So far, those hypotheses have held up under scrutiny, but now the BOAT may be challenging them. Far from stillborn, this is exactly the kind of new phenomena we hope to find so that hypotheses can either be revised or discarded in favor of better ones. That's how science works.
@cocosloan3748
@cocosloan3748 11 месяцев назад
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