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fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 4 months ago

Gottem. :)

mander.xyz

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Gottem. :)

mander.xyz

fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 4 months ago
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  • Alk@sh.itjust.works
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    4 months ago

    Does gravity travel at the speed of light?

    • Revan343@lemmy.ca
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      4 months ago

      Of course. It can’t travel faster

    • cantstopthesignal@sh.itjust.works
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      4 months ago

      Yes. General relativity.

    • stebo02@lemmy.dbzer0.com
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      deleted by creator

      • Alk@sh.itjust.works
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        4 months ago

        What about quantum entanglement? Is that also limited to the speed of light?

        • stebo02@lemmy.dbzer0.com
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          deleted by creator

    • cuerdo@lemmy.world
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      The gravity does not travel, the gravity is.

      • davidgro@lemmy.world
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        4 months ago

        Changes in the gravitational field definitely travel, and do so at the speed of light.

        Look up LIGO

      • Alk@sh.itjust.works
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        If it didn’t travel, it wouldn’t take 8 minutes to stop right?

        • cuerdo@lemmy.world
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          4 months ago

          If the mass vanishes, then the gravity would also vanish, at the same time.

          • chuckleslord@lemmy.world
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            4 months ago

            False. If the mass vanished via magic, the effect would ripple out at the speed of light. Source, gravity waves which move at the speed of light.

          • cuerdo@lemmy.world
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            4 months ago

            But vanishing is magic, it goes against the laws of physics, so you could apply any fictional logic

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