What prevailing theory in scientific circles do you think is likely to be replaced with a new understanding by 2050?

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dark matter and energy are sorta placeholders and I think by then we will have a good idea of what they are.

You're more optimistic than me, especially when it comes to dark energy

I feel like we have had some alternatives that have come close and hoping it all comes together.



Hope so, they've been placeholders for quite a while.


Like Einstein adding the cosmological constant to his equations because he initially couldn't conceive of the universe expanding, and the equations wouldn't work otherwise.



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