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She points to both the big bang and the idea of a multiverse as things that cannot be tested.
by nl 4y ago
She points to both the big bang and the idea of a multiverse as things that cannot be tested.
- adastra22 4y agoWhich is factually correct, no? We cannot see beyond the cosmic microwave background, which post-dates the Big Bang by a significant amount. Barring the development of astronomical scale gravity wave detectors, we probably can’t probe further than the CMB, not directly at least. Things like the ratio of hydrogen to helium allow us to constrain our model of the Big Bang and early inflation, but that is parameter matching on the assumption of a big bang, not evidence for it. That’s a fine but important point. The Big Bang is still the simplest cosmological origin story we have that fits the evidence, and I don’t think Sabine is denying it. Nor does she deny multiverse theories which have even less of a leg to stand on. The case of multiverse theory is even worse as there are no testable predictions which come from them.