Recent content by nurica

Lets simplify the experiment even more. Let's measure distances not "from surface to surface" but "from center to center". In this case relativistic change of radius will not affect distances, only the mass of the object will be important. I'm not sure about "how do we relate distances". I...

Why not? Just model the situation. Place several objects on a dinner table, measure distances, then replace objects with identical geometrically but heavier objects and measure distances again. Distances must change, according to GR. Of course there is no reason to perform the actual...

I didn't say from nowhere. We might not know yet where it comes from, if it comes at all. It's the same situation as in the question where the universe came from, or dark energy. Can you claim that the universe doesn't exist just because you don't know where it came from? The question is what...

How it would violate the Einstein Field Equation?

Total mass is not important. Assuming that each galaxy gained 1% in mass. Clocks slowed, light travels longer, so we see that galaxies recede from us.

[Mentor's note: Link to unpublished article deleted.] My question is not wrong in real physics. It doesn't matter if mass is increasing or decreasing or constant. Other theories deal with it. But if we research the case when mass is increasing, I'm asking what GR says about it. My...

In a hypothetical universe where mass of matter constantly increases, will we observe that distances also constantly increase? This is not a new theory, I'm just asking what classic GM says about that. If we are in a galaxy with constantly increasing mass, measuring distances to other...

Let me move the latest question to a new thread so it will be more visible to newcomers

Some of the variables in the experiment can be ignored. Say we can replace the Moon with a satellite and ignore its mass. What remains is that clocks on half-earth will tick faster, so the signal will run faster, so we'll see that the distance shrink, despite the fact the neither the Earth nor...

The statement is general but how can we prove or disprove it? Without gravitational waves. My initial thought is that since gravitation delays time, it will delay it in any direction. Only in the totally flat space (if we can find such place) the light will propagate with zero delay. Any mass...

It's from here: http://archive.ncsa.illinois.edu/Cyberia/NumRel/GenRelativity.html

That's correct but in the quote below it says that in some directions distances shrink. Wondering - in which. "the equations of relativity predict that gravity, or the curvature of Space-Time by matter, not only stretches or shrinks distances (depending on their direction with respect to the...

Is there an effect similar to Shapiro delay but which displays shrinkage of distances? Or the formula is the same (http://en.wikipedia.org/wiki/Shapiro_delay) but replacing the unit vector in it with orthogonal one will make dt negative i.e. space will shrink in that direction?

Here is a quote: "the equations of relativity predict that gravity, or the curvature of Space-Time by matter, not only stretches or shrinks distances (depending on their direction with respect to the gravitational field) but also will appear to slow down or “dilate” the flow of time". In the...

Great. Is it that actual distance changed or just because gravity slows clocks and light takes longer to arrive? For example, if we measure distance to a satellite which is on the opposite side from the Sun, using brightness method. Will we see brightness reduced when satellite gets closer to...