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fossilesque@mander.xyz to Physics@mander.xyzEnglish · 2 years ago

Light and gravitational waves don't arrive simultaneously

bigthink.com

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Light and gravitational waves don't arrive simultaneously

bigthink.com

fossilesque@mander.xyz to Physics@mander.xyzEnglish · 2 years ago
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In 2017, a kilonova sent light and gravitational waves across the Universe. Here on Earth, there was a 1.7 second signal arrival delay. Why?
  • Pennomi@lemmy.world
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    2 years ago

    In fact, this might be a good way to measure the average density of loose matter in the universe.

    • Chais@sh.itjust.works
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      2 years ago

      Was thinking about that, too.

    • Fermion@feddit.nl
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      2 years ago

      And if we had enough ligos throughout the solar system, maybe we could even image dark matter distributions.

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