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Zerush@lemmy.ml to Science@lemmy.ml · 2 months ago

“The models were right”: astronomers find ‘missing’ matter

www.esa.int

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“The models were right”: astronomers find ‘missing’ matter

www.esa.int

Zerush@lemmy.ml to Science@lemmy.ml · 2 months ago
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Astronomers have discovered a huge filament of hot gas bridging four galaxy clusters. At 10 times as massive as our galaxy, the thread could contain some of the Universe’s ‘missing’ matter, addressing a decades-long mystery.
  • ...m...@ttrpg.network
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    2 months ago

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    • 𝕽𝖚𝖆𝖎𝖉𝖍𝖗𝖎𝖌𝖍@midwest.social
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      2 months ago

      The Canis Major Dwarf Galaxy is only 25,000 ly from Earth. Assuming constant acceleration, and sufficient technology to protect and keep things running for all that time - no mean feat - reaching a substantial percentage of light should make that reachable within a hundred or so thousand light years, even with a flip and slow-down halfway.

      Seque 1 is only 75k ly.

      Andromeda is much farther; I didn’t catch it in the article, but I got the impression the strands were identified between the more local clusters.

      • ...m...@ttrpg.network
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        • 𝕽𝖚𝖆𝖎𝖉𝖍𝖗𝖎𝖌𝖍@midwest.social
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          2 months ago

          Well, there go my vacation plans.

    • calcifer777@lemmy.ml
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      2 months ago

      Wouldn’t the ship itself perceive a lot less of that time compared to an external point of reference?

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