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mikehelland / hubbles-law

JavaScript models of Hubble's Law
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If the CMB is powered by redshifted light, there isn't enough #7

Open mikehelland opened 3 years ago

mikehelland commented 3 years ago

http://www.internationalskeptics.com/forums/showpost.php?p=13365973&postcount=1383

We know how much light we get from distant sources. The sky is dark at night, and astronomers have gotten very good at measuring exactly how dark it is, in all wavelengths from gamma to radio waves.

The CMB is almost two orders of magnitude more powerful than the next brightest background (the Cosmic Ultraviolet-Optical Background), and several orders of magnitude larger than most other backgrounds. So no, there isn't a wealth of photons out there to get the energy you need.

mikehelland commented 3 years ago

The goal should be to compute how much redshifting is actually going on in a volume of space.

Ok, so, let's say there are 10^60 photons in the universe.

https://www.space.com/31601-how-much...-universe.html

And it's a sphere 46 Bly in diameter, given us an area of 4/3(pi)r^3 of 407,720 Bly^3.

If we divide 10^60 by 407,720 Bly^3, we get 2.5x10^55 photons per billion cubic lightyears.

Divide that by a billion, and that's 2.5x10^46 photons per cubic light year.

Assuming that photons from all distance from 0 to Hubble's limit is represented, how much redshift happens one cubic light year of space?

mikehelland commented 3 years ago

Also, Issue 1 says that gravitons also need to lose speed to arrive at the same time.

If gravitons are losing speed, are they losing energy? Would that help power the CMB?