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[-] cuerdo@lemmy.world 2 points 1 month ago* (last edited 1 month ago)

The gravity does not travel, the gravity is.

[-] davidgro@lemmy.world 4 points 1 month ago

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

Look up LIGO

[-] Alk@sh.itjust.works 2 points 1 month ago

If it didn't travel, it wouldn't take 8 minutes to stop right?

[-] cuerdo@lemmy.world -1 points 1 month ago

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

[-] chuckleslord@lemmy.world 4 points 1 month 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 1 points 1 month ago

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

this post was submitted on 07 Feb 2025
1035 points (98.1% liked)

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