Redshift and Hubble's Law

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  1. ProfessorNealWeiner
  2. Redshift
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  4. Hubble's
  5. Law
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Q: If there is a redshift of light in the universe because of distance,
then galaxies that move away with constant velocity seem to move away with acceleration.
If so, it is a missing fact in many documentaries about light in the universe?

rkreike
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I have strong doubts about the correctness of this. What is something besides receding velocity is causing the redshift?

cookbake
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hey thanks a lot man this help me a lot for my exam

lock
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I think you could got confused with frequency and wavelength there

NanduKrishnanNKSanandu
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I appreaciate that you put in some numbers to get a feel for the orders of magnitude. But your formula for delta lambda over labda is wrong. Delta lambda over lambda is ~ 1 + v/c.
I wish someone would compare the results of Doppler Shift and Cosmological Redshift in quantitative terms. For some reason I have seen 20 or so videos were everyone tries to avoid this comparison. I wonder why?

maxtabmann
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Hubble's quantum law states that a photon's frequency decreases with each new wave oscillation by a quantum amount equal to the Hubble constant, which is being observed as a redshift. To determine by how much the frequency of the photon has decreased, the Hubble constant must be multiplied by the number of the committed oscillations that is completely consistent with the results obtained by the modern method of the "standard candles".

PhysicalVacuum