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katha757 t1_iy5uze6 wrote

Reply to comment by Rcomian in ELI5: What does it mean by time slowing down at event horizon? by [deleted]

I’m having trouble reconciling some of these facts, you had such a great explanation maybe you can help me understand.

If time slows down the closer you are to a black hole, the light is reaching you slower (red shifted), but I remember reading that light travels the same speed regardless of the point of view. How can light redshift but still travel the same speed?

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QuantumR4ge t1_iy7fj7u wrote

Redshift changes the energy of the light but it still travels the same speed locally

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