If I may,...with my limited understanding, present a theory I've been tossing around in my head for awhile.

I think that maybe we could see it somewhat like plate techtonics. Where the earths crust goes in on itself and new earth is formed in the lava flows and volcanoes. Perhaps in the same way, if there are black holes which suck matter into them, there are white holes which spew the same matter back out.Which appear as 'big bangs'...(?) maybe? Which could show how the universe is eternal.Even if there was a beginning, how are we to measure it?