Greenlight

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    Greenlight replied to the thread Question Is a black holes event horizon size relative to your distance to it?.

    rest mass or relativistic mass? Does relativistic mass affect the event horizon size at all?

    Apr 1, 2025
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    Greenlight replied to the thread Question Past the speed of light.

    if light speed is a constant, what speed is the light when it is 12.9 billion light years away. Do you get to add the expansion to c...

    Mar 18, 2025
  • 

    Greenlight reacted to Classical Motion's post in the thread Universe expansion with Like.

    Answer: Space is not expanding and never has. It’s an illusion. Reasoned by a misconception of light. Logic alone, tells you such a...

    Mar 12, 2025
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    Greenlight posted the thread Question What is the Gravitational time dilation from a spiral arm? in Cosmology.

    Has anyone ever calculated the value of gravitational time dilation from inside a spiral arm vs in between arms?

    Feb 10, 2025

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