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@ooli@lemmy.world to [Dormant] moved to !space@mander.xyz@lemmy.world • 2 years ago

Black holes keep 'burping up' stars they destroyed years earlier, and astronomers don't know why

www.livescience.com

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  • cross-posted to:
  • technology@lemmy.world
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Black holes keep 'burping up' stars they destroyed years earlier, and astronomers don't know why

www.livescience.com

@ooli@lemmy.world to [Dormant] moved to !space@mander.xyz@lemmy.world • 2 years ago
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54
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  • cross-posted to:
  • technology@lemmy.world
Years after ripping stars to shreds, 24 black holes suddenly flared up with radio waves in inexplicable 'burping' bouts. Half of all star-killing black holes may experience the same.
  • @wahming
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    212•
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    2 years ago

    I miss the astronomer guy on Reddit who would explain every one of these posts

    Edit: Turns out she’s the one who made this discovery! Here’s her post

    https://www.reddit.com/r/Andromeda321/comments/164n35e/i_have_discovered_that_up_to_half_of_all_black/

    • @captainlezbian@lemmy.world
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      46•2 years ago

      Oh shit this is her discovery? Nice. I always loved her stuff on astronomy and her takes on trollx

    • Rhaedas
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      2 years ago

      Andromeda321? Wonder if they’re here in some related name? Appears not yet.

      • @wahming
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        5•2 years ago

        See my edit

      • @wahming
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        3•2 years ago

        Yeah that was the name, right

    • @LEDZeppelin@lemmy.world
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      25•2 years ago

      I wonder if she is on Lemmy. I hope she is.

      • GladiusB
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        8•2 years ago

        I am hoping for a shittymorph crossover

        • @Frozengyro@lemmy.world
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          3•2 years ago

          Maybe like a shitty shittymorph who would throw mankind into the thing…

    • Granite
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      18•2 years ago

      I felt so happy for her when she announced her phD. She’s the one I miss too.

      • @wahming
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        5•2 years ago

        See my edit

    • peopleproblems
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      14•2 years ago

      Oh that’s cool. If her colleague is right, they found a natural particle collider. It would have many times the energy of the LHC too

      • Natanael
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        9•2 years ago

        Many times is a severe understatement. A supernova is also many times more powerful than a firecracker.

        Could black hole near misses by stars possibly have fused some elements which novas can’t explain?

    • @SocialMediaRefugee@lemmy.world
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      12•2 years ago

      I wonder how they know it is the same material being ejected as they saw initially.

      • @Theoriginalthon@lemmy.world
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        7•2 years ago

        It’s the headline that’s slightly miss leading, the only event that happened prior, was the star getting ‘eaten’. Other sources have been ruled out

      • @InputZero@lemmy.ml
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        2 years ago

        I imagine they don’t actually know if it’s the same material. What they can say is that a certain amount of material was ejected, that correlates with certain properties of an observed amount of material that went in. Realistically though, it’s all hydrogen and helium and is one atom of the same thing really that different from another?

    • teft's transporter clone
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      6•2 years ago

      Andromeda is a lady.

      • @wahming
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        4•2 years ago

        Yes, you do notice I used ‘she’ in my edit after I found out…

        • teft's transporter clone
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          3•2 years ago

          Sorry. When I posted you hadn’t edited it on my screen so I wasn’t sure if you knew.

          • @wahming
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            2•2 years ago

            Ah I see. No worries, cheers!

    • archomrade [he/him]
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      5•2 years ago

      “it’s not time dilation”

      “It’s not coming from the event horizon”

      That is amongst the biggest bummers of my life

    • offendicula
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      1•2 years ago

      this edit made me smile. good for her!

    • @Master@lemmy.ca
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      1•2 years ago

      My edibles kicked in halfway through that post. Mind blown…

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