Mordred

Precisely time is not absolute. If that's what you believe you need to catch up to modern research.

No I'm not I know precisely how SR and GR works including the related math. I use it all the time as a professional physicist. Here is a challenge for describe at point between two observers in different reference frames where simultaneaty can be said to occur. Then add a third observer

Both velocity and accelerations are boosts in the the Lorentz transforms. Rapidity is just a particular type of boost. I know you and I had tried discussing this in the past. Later on when I'm not at work I will try to get you far better detail on the difference of a boost due to velocity as opposed to acceleration. Part of the confusion is that both velocity and accelerations are also described by rapidity. However the transforms for each slightly different .

I doubt using a laser from Earth regardless of how powerful would be of much use. Ideally you would want to use the laser on a side perdendicular to its trajectory. If you fire from Earth you would thr asteroid head on and outgassing wouldn't be as useful.

It would really help if one understands a physics theory correctly before you try to interpret a theory. It's rather pointless otherwise. Anyone that understands relativity by knowing what the mathematics of the theory states. Simultaneaty is of little use in this case as it's coordinate dependent. This is due to time not being constant. For example an observer looks at his watch. However that's simply his coordinate time. The other observer does the same for coordinate time. Due to time dilation regardless of whether it's due to gravity or inertia his clock will appear to run normal. However once you compare clocks then the difference is noticed. The two clocks are no longer simultaneous welcome to relativity and it's time dilation

Wiki isn't written by a physicist. It has zero authority in the physics. Any discussion involving physics to have any use whatsoever must always include the math. It's rather useless to discuss interpretations of any physics theory without knowing what those mathematics actually describes.

You know it's funny to declare GR cannot solve the twin paradox when it's in nearly every textbook on GR. Acceleration is easily handled in both SR and GR. It's simply a type of boost called rapidity. You can alternately use instantaneous velocities. So really it's a poor defense for a theory Long shown inaccurate specifically the Lorentz ether theory. Particularly since it ties into Lorentz invariance which current tests is something of order of 1 part in 10^(18) for any deviation on the constancy of c. That is rather conclusive for any potential of any ether based theory being viable. Yes I've read lots of attempts to salvage LET over the years including professional written articles and examinations none of have ever born out though. I even have copies of those various models. Though it would take time to search for them.

That comment makes no sense but so far without seeing your math. Nothing you have stated makes much sense. The CMB is literally everywhere in our observable universe you can even hear it's static on older radios that don't filter it out. It may surprise you to know that expansion has little to do with gravity but rather it's due to thermodynamics via the equations of state for each particle species. https://en.m.wikipedia.org/wiki/Equation_of_state_(cosmology) If you take a uniform mass distribution and apply Newtons Shell theorem gravity is zero.

Hence why I stopped adding to the mix. Once I saw you were progressing from their comments I didn't want to add any potential confusion. Threads can get too easily derailed.

No you get a daily allotment

I gave them the +1 each for you.

Depends on the asteroid composition. The usefulness of a laser is to generate outgassing. For example an icy asteroid if you shoot a laser at it would more readily generate water vapors which would then provide thrust.

The first relativity never used the ether for the observer nor the emitter. It used the ether to describe how photons travelled between the two prior to proving ether wrong through the Michelson and Morley experiments. Those experiments are far far more precise in modern tests. Either way if you look at SR the emitter isn't ether and the observer isn't ether. Nor did Galilean relativity which the Lorentz transforms is simply an extension of (the Gamma factor constant of proportionality)

Everything in this post tells me you never actually studied the mathematics yourself. Had you ever studied the mathematics You would know Neither theory uses Ether. Nor does it uses the ether for a observer or relative to. Your claims is not what either theory states. Each frame of reference is emitter /observer relative to each other not the Ether. So forget thinking Ether is involved in either theory. That is absolutely incorrect

As I mentioned you would need the math to show this. You keep mentioning your math so you should already have the math handy for us to examine. I can easily show you all the mathematics behind the FLRW metric but that wouldn't help determine why you have an issue with it. If it's an issue with not knowing how to latex the math in let me know and I can demonstrate how our format uses \[\frac{1}{2}\,] I placed a comma in the last part to prevent it from activating. Your description of using spheres for example tells me you should have a spherical coordinate system with some constant of proportionality for the scale factor however that's based on your description. I need your math for confirmation.