Native
Free Natural Philosopher & Comparative Mythologist
There is nothing to comprehend in Einsteins speculative "gravitational curving spacetime" ideas!So sorry that you don't comprehend Einsteins 'curving space-time nonsense'.
The only relevant issue to comprehend is that all atoms have embedded rotational and orbital properties, i.e. "curving motions" and this is all governed by electromagnetic forces and qualities and not by "gravity". This embedded "curving motion" works in all size wice scales in micro- and macro cosmos.
If astrophysicist and cosmologists back in 1932 and later on had/have revised the Newtonian contradicted law of celestial motions in galaxies accordingly to the atomic/EM motions, they wouldn´t need any "dark matter" at all.
The EM qualities have both attractive and repulsive properties and when working on the plasma scales of "gas and dust", these atomic/EM-curving qualities rules all formation and motions everywhere.
This is not a property of neither space nor time, but an universal (and eternal) property in the Universe.
Edit: I don´t know what got cosmologically wrong in Einsteins mind, but he really did work with the EM properties in this article back in june 1905.
I guess Einstein felt forced to propose another explanation of gravitational celestial motions when the former one was contradicted in 1932 and then he left his genuine EM investigations in favour of his speculative "curved space time nonsens".
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