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t1_j6k4mf6 wrote

It's the fastest thing that we know of. That's the beauty of science, we can accept new information as it becomes available but for the time engaged all the calculations indicate the light is the fastest known thing.

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t1_j6k70oz wrote

It’s a bit more well known than that. There is a maximum speed at which anything in the Universe can travel based on the constraints of General Relativity. Things with no mass must travel that speed. Anything with mass is slower. So the only way something could be faster, is if it had negative mass, which does not exist.

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t1_j6k7g1q wrote

That we know of.

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t1_j6k8e1n wrote

We have a very accurate mathematical model of the universe and it does not have anything in it that requires negative mass.

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