Thread: Metric expansion & cosmic redshift

1. I was reading that the metric expansion of space does not stop at the level of galaxy movement, but distant objects inside our galaxy also display a cosmic redshift?

Would not space is undergoing a metric expansion at all levels would imply that all photons arrive with less energy than they were emitted with?

If you put this into QED do photons this travel in straight lines?

If you consider 2 photons coming from each side of a distant galaxy traveling to our telescope & the space between them expands while they are in flight. How would that effect what we see?

The theory of the expansion of the universe seems to assume the expansion does not affect us. So no viewpoint correction is required. Sounds a bit iffy on the cosmological principle front.

2.

3. Originally Posted by PetTastic
I was reading that the metric expansion of space does not stop at the level of galaxy movement, but distant objects inside our galaxy also display a cosmic redshift?

Would not space is undergoing a metric expansion at all levels would imply that all photons arrive with less energy than they were emitted with?

If you put this into QED do photons this travel in straight lines?

If you consider 2 photons coming from each side of a distant galaxy traveling to our telescope & the space between them expands while they are in flight. How would that effect what we see?

The theory of the expansion of the universe seems to assume the expansion does not affect us. So no viewpoint correction is required. Sounds a bit iffy on the cosmological principle front.
Lets assume a photon has no gravity, but has a definite mass

Lets also assume also, that the mass of a photon could influence its wave length (color). And certain mass changes, could not normally affect the photon's output.

A photon in QED, would travel in a straight line, until it is excited to bond with a particle containing gravity.

A photon traveling from galaxy x with a space flux factor of 2. Will maintain that definite mass state, until it reaches another galaxy or body of gravity, with a space flux different then the space flux of origination. THINK OF THE VACCUM OF SPACE AS UNABLE TO INFLUENCE THE DEFINITE MASS OF A PHOTON.

Modern science may be measuring SPACE FLUX, and not the direct relationshp of SPACE EXPANSION. To differentiate SPACE FLUX from SPACE EXPANSION, I'd imagine you would have to observe photons from a vaccum outside of a body of gravity influence, for example, outside of OUR SUN

EDIT

We are in a body of gravity, which resists space expansion, or the movement of space, i think we can dub this term space flux.

Actually, i'd be interested in developing the idea of a photon being unaffected by the vaccum of space and space expansion, and being affectedby a body of gravity (space flux). We can explain why a photon would not deviate form its mass in a vaccum (force of space expansion not great enough to affect photon mass behavior). And then again in a body of gravity (space flux).

But supposed you enriched a photon to include a particule which contained gravity. For its limited life, susposed it did travel from galaxy x to galaxy y. the photon would exhibit a curved path entering the body of gravity in galaxy y.

what could be causing this blackhole to infuse photons from deep space with materials containing gravity. and by that emisson of a photon the perception of uniquely shaped objects. Feeding out illusion of a photon containing gravity.

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