SithLordAJ t1_iwxb418 wrote
Reply to comment by paulfromatlanta in Dark Matter as an Intergalactic Heat Source. Spectra from quasars suggest that intergalactic gas may have been heated by a form of dark matter called dark photons. by MistWeaver80
They are generally not considered matter. They have no rest mass, but do have momentum.
Im not familiar with this dark matter theory, but the idea of dark matter is that something functions like it has mass that cant be seen. I would surmise that there's more of a trick to it than "it's a photon that cant be absorbed".
poppinchips t1_iwy9apf wrote
I believe dark matter just doesn't respond to the electromagnetic field. It doesn't absorb, reflect or emit electromag radiation. Beyond that is anyone's guess.
TrippyReality t1_iwyinc2 wrote
By looking at galaxy cluster formation and the formation of the universe, matter should be even throughout, but yet the cosmic microwave background shows web-like features. The inner edges of the galaxy should move faster since there is more mass in the middle compared to the outer edge of galaxies, but it moves the same. Since we don’t have a theory of gravity or graviton particle to explain it, mathematical models can only predict the existence of something that we can’t observe.
HannsGruber t1_iwynn4k wrote
My high-dea hypothesis is dark matter is the gravitational signature of the true 4D structure of the universe
TrippyReality t1_iwzgssm wrote
Reality could be a simulation like the matrix because even at the quantum level, there is no materialism. Everything is all waves of probability, even matter at the quantum level. Our perception could all be a projection of a 3dimensional virtual world.
forsale90 t1_iwz2isa wrote
There is no one dark matter theory. Some particles that could be part of it would couple to photons, like Axions.
What we talk of most of the time, cold dark matter or WIMPs don't couple to photons though.
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