A massive object causes curvature in spacetime. The larger the mass of an object, the more it will bend the fabric of spacetime. Aside from that, the space is primarily flat. Space-time is like a river bed; matter flows through it like water. So when gravity squeezes a volume of spacetime, then paths get shorter through the compressed area. Gravity squeezes spacetime and makes paths more straightforward. Space-time itself doesn’t move. Rest mass is a curvature of spacetime. Momentum is a flow of spacetime. It is the change in spacetime that you are observing.
Time is the present moment in motion. It is moving toward the future. Space is flat, and spacetime is curved. Curvatures are related to the time factor of spacetime; and not the space factor. On a cosmic scale, the curvature created in space by the masses of countless stars, black holes, dust clouds, and galaxies is only bumps in the road. Overall, space and spacetime are boringly flat. A universe that contains about five percent matter can cause only minor indentations here and there in the fabric that covers the entire universe. The universe’s expansion rate and energy and mass distribution keep the fabric of spacetime flat.
A tiny timing device set off the big bang. That device also triggered time. The software in the creation module immediately kicked into action. The Event Originator had designed and installed a build-out and operating system for this new universe. ( One universe does not an infinity make. One universe does not an eternity make). The design utilized an evolvement process. The requisite physical laws had been put in place. A triune physics platform was used this time. (Fundamental, Quantum, and Classic. All things are triune, with binary interactives).
If something is working, it didn’t happen accidentally.
Randomness can’t even build a bobsled. Ditto for natural selection.
This universe will remain operational until all of its critical missions are accomplished.