In recent years, a once-fringe theory — dubbed the Big Bounce — has gained traction in cosmological circles. It suggests that the BigBang may have happened before, and may happen again.
. They argued that the uniformity of matter in the universe could be better explained by the so-called Big Bounce. Apparently, cosmic inflation attempts to account for this as the universe seesaws back and forth between expansion and contraction.Models based on cosmic inflation describe a state, early on in the formation of the universe, where energy is so high that classical physics no longer applies and quantum gravity takes over. The Big Bounce avoids this scenario.
Inflationary theory predicts that the researchers will see a pattern of “primordial gravitational waves” etched across the CMB from the moments after the Big Bang. The Big Bounce, on the other hand, does not. That means the Big Bounce, along with other cyclic universe theories, could be disproved by the mere presence of these waves.
Ijjas claims not to have a predisposition towards one result versus the other; however, much of her recent work will become obsolete if waves are found.More Cosmological Questions to Come
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