Does subatomic/atomic mass affect light even if its the slightest bit since gravity is everywhere (non-zero field)?

[Achilles]

Since everything which has mass has gravity, and the gravitational field is extends to non zero everywhere then does that mean light is always affected by gravity in even the slightest bit due to simple particles with mass existing and mass producing gravity.

[beecee]

7 minutes ago, Achilles said:

Since everything which has mass has gravity, and the gravitational field is extends to non zero everywhere then does that mean light is always affected by gravity in even the slightest bit due to simple particles with mass existing and mass producing gravity.

Ever so infinitesimally, yes, much as peeing into the Pacific Ocean will add to its depth. It can also be noted that light due to its momentum, also adds ever so infinitesimally to spacetime curvature.

[mathematic]

Theoretically yes, but in the cases you mentioned, too small to measure.

[swansont]

We have observed the effect of gravity on light. But with stars, which is nowhere near the atomic scale.

[Achilles]

So due to the existence of mass producing gravity, we can say that light never propagates perfectly, even in a vacuum cause interference of gravity is always there?

[Silvestru]

7 minutes ago, Achilles said:

So due to the existence of mass producing gravity, we can say that light never propagates perfectly, even in a vacuum cause interference of gravity is always there?

I think it travels at c, it just loses energy. When a photon travels through space it loses energy that goes into the gravitational field.

The loss of energy to the photon as it interacts with the gravitational field must be balanced by a gain of energy in the gravitational field.

https://en.wikipedia.org/wiki/Noether's_theorem

[swansont]

36 minutes ago, Silvestru said:

I think it travels at c, it just loses energy. When a photon travels through space it loses energy that goes into the gravitational field.

The loss of energy to the photon as it interacts with the gravitational field must be balanced by a gain of energy in the gravitational field.

https://en.wikipedia.org/wiki/Noether's_theorem

A photon traveling vertically will increase or decrease its frequency, depending on the direction of travel. But to say that it loses energy that goes into the gravitational field, no. A photon traveling lower in a potential well increases its frequency — it gains energy. The gravitational field is not weakened by this, any more that moving massive objects lower decreases the field. If you look at a spherically symmetric system, moving mass to a smaller value of r has zero effect on the field outside the sphere. 

[Silvestru]

5 minutes ago, swansont said:

A photon traveling lower in a potential well increases its frequency — it gains energy. The gravitational field is not weakened by this, any more that moving massive objects lower decreases the field. If you look at a spherically symmetric system, moving mass to a smaller value of r has zero effect on the field outside the sphere. 

So where is this energy taken from?

Gravity interacts with energy and momentum so if the energy increases, it should have more impact on the gravitational field right?

 Photons falling into a gravitational field become more energetic and exhibit a blueshift - where does this energy come from if not from gravitational field?

[swansont]

1 hour ago, Silvestru said:

So where is this energy taken from?

Gravity interacts with energy and momentum so if the energy increases, it should have more impact on the gravitational field right?

 Photons falling into a gravitational field become more energetic and exhibit a blueshift - where does this energy come from if not from gravitational field?

Strength of the field and the gravitational potential energy are not the same thing.

If there is more mass (or energy-momentum) then the field is stronger, but that doesn't actually change at distances larger than the location of the mass. If everyone on earth were uniformly distributed and simultaneously stood up on a chair, their collective gravitational potential energy would increase, but there would be zero effect on the gravitational field in outer space due to the earth. The only effect on the field would be in between the earth and the chairs, because mass outside of that region doesn't contribute to the field. But that field would decrease. When they step down again, gaining some kinetic energy (just like the blue-shifted photon), the gravitational field would increase in that small gap. 

 

[Silvestru]

55 minutes ago, swansont said:

Strength of the field and the gravitational potential energy are not the same thing.

If there is more mass (or energy-momentum) then the field is stronger, but that doesn't actually change at distances larger than the location of the mass. If everyone on earth were uniformly distributed and simultaneously stood up on a chair, their collective gravitational potential energy would increase, but there would be zero effect on the gravitational field in outer space due to the earth. The only effect on the field would be in between the earth and the chairs, because mass outside of that region doesn't contribute to the field. But that field would decrease. When they step down again, gaining some kinetic energy (just like the blue-shifted photon), the gravitational field would increase in that small gap. 

Thank you for clearing that up. I still have much to learn but for now I have to go to the fortress of ultimate darkness.