In a gist, I'm curious to know whether or not a change of the speed of light would present any detrimental effects on the structure of the universe as we know it.
Would stars and celestial superstructures in general form as usual, or would something in the math complicate those processes?
I want to say that the quantity and time of change are irrelevant, but I know I have some unknowns regarding the issue, so I will present those factors here: c is increased to ~3 billion kilometers per second; the time at which c is this speed is during the creation of the universe.
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$\begingroup$ Well, are you asking about whether it changed during the lifetime of the universe, or simply whether it always was a universe with a different speed of light? The answer may be different for each scenario. Also, this might be a duplicate question; I think I found other similar questions while researching this topic, which I am also interested in. $\endgroup$– Inflationary_BubbleApr 11, 2018 at 0:26
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$\begingroup$ Related: What if the speed of light were 100 times higher? $\endgroup$– AlexanderApr 11, 2018 at 0:27
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$\begingroup$ @Inflationary_Bubble Let's go with the creation of. However, I did not think we knew enough about the creation of the universe to get any specific about it. $\endgroup$– user44399Apr 11, 2018 at 0:35
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$\begingroup$ Also, I looked across this sight a bit to see if anyone discussed arbitrarily changing constant c. It seems I missed the link from @Alexander , which is an excellent suggestion by the way. $\endgroup$– user44399Apr 11, 2018 at 0:37
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$\begingroup$ Well, on the question @Alexander linked, one answer did give a way - but it said that there would basically be no magnetic field for Earth. No one mentioned this, however, but I believe that without a magnetic field, Earth wouldn't be protected from radiation. I wrote a comment on that question just now, although I don't think anyone will notice it... I'm not sure whether there's another way to make it work. $\endgroup$– Inflationary_BubbleApr 11, 2018 at 0:39
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