Australian theoretical astrophysicist Luke Barnes makes the attempt, riffing off the recent film Doctor Strange in the Multiverse of Madness:
How did our universe get the right mix of ingredients? Perhaps we won the cosmic lottery. Perhaps, on scales much bigger than what our telescopes can see, other parts of the universe have different building blocks.
Our universe is just one of the options—a particularly fortunate one—among a multiverse of universes with losing tickets.
This is the scientific multiverse: not simply more of our universe, but universes with different fundamental ingredients. Most are dead, but very very rarely, the right combination for life-forms comes up.
The Marvel multiverse, by contrast, merely rearranges the familiar atoms and forces of our universe (plus a bit of magic). That’s not enough.
Luke Barnes, “What is the multiverse, and does it really exist?” at Phys.org (May 6, 2022)
Barnes concludes,
In the cycle of the scientific method, the multiverse is in an exploratory phase. We’ve got an idea that might explain a few things, if it was true. That makes it worthy of our attention, but it’s not quite science yet. We need to find evidence that is more direct, more decisive.
Luke Barnes, “What is the multiverse, and does it really exist?” at Phys.org (May 6, 2022)
The multiverse is not believed to be true because of evidence but because it enables evasion of the logical consequences of fine-tuning of our own universe.
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