Brian Greene: "If space and time did not behave this way, the speed of light would not be constant and would depend on the observer's state of motion. But it is constant; space and time do behave this way. Space and time adjust themselves in an exactly
compensating manner so that observations of light's speed yield the same result, regardless of the observer's velocity." http://www.pbs.org/wgbh/nova/physics/special-relativity-nutshell.html

Consider this: https://www.youtube.com/watch?v=bg7O4rtlwEE

We have

(speed of light relative to observer) = (frequency at observer)(distance between subsequent pulses)

And (frequency at observer) increases. How can space and time prevent (speed of light relative to observer) from increasing proportionally?

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Pentcho Valev

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What space and time do to make the speed of light constant is part of a cosmic (not Einsteinian) conspiracy of the highest order:

Neil deGrasse Tyson, Death by Black Hole: And Other Cosmic Quandaries, pp. 123-124: "If everyone, everywhere and at all times, is to measure the same speed for the beam from your imaginary spacecraft, a number of things have to happen. First of all, as
the speed of your spacecraft increases, the length of everything - you, your measuring devices, your spacecraft - shortens in the direction of motion, as seen by everyone else. Furthermore, your own time slows down exactly enough so that when you haul
out your newly shortened yardstick, you are guaranteed to be duped into measuring the same old constant value for the speed of light. What we have here is a COSMIC CONSPIRACY OF THE HIGHEST ORDER." https://www.amazon.com/Death-Black-Hole-Cosmic-
Quandaries/dp/039335038X

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Pentcho Valev

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On Thursday, 12 January 2023 at 12:04:08 UTC, Pentcho Valev wrote:

What space and time do to make the speed of light constant is part of a cosmic (not Einsteinian) conspiracy of the highest order:

Neil deGrasse Tyson, Death by Black Hole: And Other Cosmic Quandaries, pp. 123-124: "If everyone, everywhere and at all times, is to measure the same speed for the beam from your imaginary spacecraft, a number of things have to happen. First of all, as

the speed of your spacecraft increases, the length of everything - you, your measuring devices, your spacecraft - shortens in the direction of motion, as seen by everyone else. Furthermore, your own time slows down exactly enough so that when you haul
out your newly shortened yardstick, you are guaranteed to be duped into measuring the same old constant value for the speed of light. What we have here is a COSMIC CONSPIRACY OF THE >HIGHEST ORDER." https://www.amazon.com/Death-Black-Hole-Cosmic-
Quandaries/dp/039335038X

To change the subject a bit,...I was wondering if time dilation would effect the passage of light
between galaxies. Relativity has it that the intergalactic voids are at much lower g potential.
I would assume this must mean that time passes much faster in the space between galaxies.
So I would have thought light would either pile up or zip through these
voids and this effect would become noticeable somehow to observers on earth. Yet
no such anomalies are observed.

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Pentcho Valev

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