[RascalPuff]

"***The whole concoction about 4-D space-time Dimension and 4-Dimensional expansion are just slights of the hands of a trickster/ magician to distract the audience from the inevitable errors in this theory.

All it is trying to say is that the universe is expanding in volume and it is doing so in a manner that results in all its constituent parts [planets etc] accelerating outwards as opposed to moving with constant velocity.

It is further alleging that this acceleration is responsible for gravity in the same way the accelerating elevator causes "weight".

This is not the most disingenuous theory I have heard but it is nonetheless incorrect.

If you try to stand below the floor of the elevator that is accelerating upwards you will experience no force: you must stand on [ie at the top of] the floor to experience this force.

In like manner, if gravity was being caused in the way Einstein explained then those on one side of the earth [ ie on top] will experience g forces whereas those obliquely opposite [ie those down under] will fall off.

Further this theory cannot explain why the person in the upward accelerating elevator experiences weight/ g-like forces in the fist place. It cannot explain inertia or reluctance to move: why are objects reluctant to move?"

Roger
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Thank you for your thoughts, Roger.
That I know of, I've not heard from a rocket scientist before.

- RP