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submitted 11 months ago by L4s@lemmy.world to c/technology@lemmy.world

An extremely high-energy particle is detected coming from an apparently empty region of space::Amaterasu particle, one of highest-energy cosmic rays ever detected, is coming from an apparently empty region of space

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[-] Dogyote@slrpnk.net 118 points 11 months ago

It's just a ship dropping out of warp a safe distance from our system. While inconvenient, it's considered best practice to drop out well away from the system's center to shed the particles you've accumulated in your warp bubble during transit. They are extremely energetic and can cause immense damage if released irresponsibly close to an inhabited planet. This is especially true when visiting a primitive world that hasn't set up any sensible warp safety systems.

[-] berg@lemm.ee 19 points 11 months ago

Yeah, I thought this was common knowledge by now? It's like they don't even care to do some digging before posting stuff anymore...

[-] bricklove@midwest.social 32 points 11 months ago

It's from one of them Laconian magnetar-class battleships

[-] DaMonsterKnees@lemmy.world 15 points 11 months ago

113 times a second, it reaches out.

[-] updawg@lemm.ee 3 points 11 months ago

Oh man, I'm rereading the Expanse series right now. Halfway through Abaddon's Gate, shit's about to get weird.

[-] autotldr@lemmings.world 25 points 11 months ago

This is the best summary I could come up with:


Astronomers have detected a rare and extremely high-energy particle falling to Earth that is causing bafflement because it is coming from an apparently empty region of space.

“You trace its trajectory to its source and there’s nothing high energy enough to have produced it,” said Prof John Matthews, of the University of Utah and a co-author of the paper in the journal Science that describes the discovery.

Toshihiro Fujii, an associate professor at Osaka Metropolitan University in Japan, said: “When I first discovered this ultra-high-energy cosmic ray, I thought there must have been a mistake, as it showed an energy level unprecedented in the last three decades.”

Cosmic rays, echoes of such violent celestial events, rain down on to Earth nearly constantly and can be detected by instruments, such as the Telescope Array observatory in Utah, which found the Amaterasu particle.

But particles with Oh-My-God or Amaterasu-level energy would be expected to blast through intergalactic space relatively unbent by galactic and extra-galactic magnetic fields, meaning it should be possible to trace their origin.

Once completed, 500 new scintillator detectors will expand the Telescope Array across 2,900 km2 (1,100 mi2 ), an area nearly the size of Rhode Island and this larger footprint is expected to capture more of these extreme events.


The original article contains 677 words, the summary contains 211 words. Saved 69%. I'm a bot and I'm open source!

[-] Supervisor194@lemmy.world 15 points 11 months ago

equivalent to the energy of a golf ball travelling at 95mph

So I am curious about this comparison. If this particle had hit you square on the top of your head, rather than the array they built to detect it... would you even know it? Would it kill you? Make you uncomfortable? What?

[-] shaolin_shrimp@lemmy.ml 9 points 11 months ago
[-] BluesF@feddit.uk 4 points 11 months ago

And his face half stopped aging! Wild story, always love being reminded of this guy.

[-] philpo@feddit.de 2 points 11 months ago

This is such a bad and sensationaliat article - completely ignoring that we use protontherapy for quite a while now.

[-] Anti_Face_Weapon@lemmy.world 9 points 11 months ago

I think it would probably go through you?

[-] MotoAsh@lemmy.world 5 points 11 months ago

It'd obliterate what ever particle(s) were unfortunate enough to be in the way. They'd turn in to a shower of other particles, like sticking your head in a particle acelerator, but all at once.

It's highly unlikely all of the energy would go in to you, so it'd amount to a narrow beam of ionizing radiation. Potentially deadly, potentially not. A guy did get his head in a particle acelerator beam when he thought it was turned off. Saw a really bright flash and all. It kinda' messed up that narrow channel of flesh and he has some cignitive issues as a result.

[-] RizzRustbolt@lemmy.world 1 points 11 months ago

It would warp you to the top of the tower.

[-] andrew_bidlaw@sh.itjust.works 12 points 11 months ago

They just shot our golden disk back to the library lol. No wonder they got bored by this record. Send some Frank Sinatra or something next. Let's show them the classics.

[-] sir_pronoun@lemmy.world 9 points 11 months ago

It's just styropyro, he tried out a new mixture on his golfball cannon

[-] Igloojoe@lemm.ee 4 points 11 months ago

"In this episode, i'll turn my microwave into a death ray. "

[-] magnor@lemmy.magnor.ovh 6 points 11 months ago

Must be that jewish space laser that Greene lady was going on about.

[-] penquin@lemm.ee 6 points 11 months ago
[-] grabyourmotherskeys@lemmy.world 8 points 11 months ago

Down voters don't get how amazing it is that a fish can talk, let alone heckle.

[-] penquin@lemm.ee 4 points 11 months ago

Hello, fellow why filer. <3

[-] Buddahriffic@lemmy.world 6 points 11 months ago

When they say "local void", do they mean like a cone extending in that direction with nothing behind it or a space with nothing inside it but stuff behind it?

If it's the former, what is going on with that?

If it's the latter, couldn't this have traveled from one of the things behind it?

[-] luthis@lemmy.nz 6 points 11 months ago

If it’s the former, what is going on with that?

If you look at the universe structure, it's not entirely implausible to have some straight lines that don't intersect any bodies of mass, depending on how far back in time you're looking.

https://duckduckgo.com/?t=ffab&amp;q=universe+structure&amp;ia=web

If it’s the latter, couldn’t this have traveled from one of the things behind it?

Only if that thing is/was ahead of the lightspeed/space expansion event horizon.

[-] MonkderZweite@feddit.ch 3 points 11 months ago* (last edited 11 months ago)

This is what our area probably looks like on really grand scale (every dot is a galaxy). The local void is one of the dark areas next to us.

[-] MonkderZweite@feddit.ch 6 points 11 months ago

A Magnetar having an accident, as source?

[-] BlackSkinnedJew@lemmynsfw.com 2 points 11 months ago

I'm wondering what the flat-earthers will say about this.. 🤣🤣

[-] iAvicenna@lemmy.world 2 points 11 months ago

Alien trolls?

this post was submitted on 25 Nov 2023
237 points (97.6% liked)

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