No offence mate, but given this statement and the question in the op you should go back to the very basics, your understanding of science in general is seriously lacking.
‘Theory’, as in ‘theory of relativity’ or ‘theory of evolution’ for example, doesn’t means ‘conjecture’, it means ‘model’. It’s a framework that let us understand some phenomenon. Relativity for example is not very complete, it works perfectly in a macro scale but breaks at a subatomic level, for that we have the standard model. Evolution, tho, doesn’t break at all. A basic requirement for a proper theory is being able to make accurate predictions on its domain: with relativity we can predict how planets behave for example, we’ll need the standard model to do that for an electron.
Out of the four fundamental forces gravity is the less well understood.
Most often if a theory gets replaced, it actually gets expounded upon, fixing the edge cases where the old theory didn’t work.
Newton works at “normal speeds” but doesn’t work when things move really fast, so Einstein fixed that with relativity, and quantum mechanics expounded on Einstein.
But the older theories remain valid in their domains.
That’s why when building a bridge you use Newton and not relativity or quantum mechanics.
Neither Newton nor Relativity were wrong. They just don’t explain absolutely everything.
No offence mate, but given this statement and the question in the op you should go back to the very basics, your understanding of science in general is seriously lacking.
‘Theory’, as in ‘theory of relativity’ or ‘theory of evolution’ for example, doesn’t means ‘conjecture’, it means ‘model’. It’s a framework that let us understand some phenomenon. Relativity for example is not very complete, it works perfectly in a macro scale but breaks at a subatomic level, for that we have the standard model. Evolution, tho, doesn’t break at all. A basic requirement for a proper theory is being able to make accurate predictions on its domain: with relativity we can predict how planets behave for example, we’ll need the standard model to do that for an electron.
Out of the four fundamental forces gravity is the less well understood.
Most often if a theory gets replaced, it actually gets expounded upon, fixing the edge cases where the old theory didn’t work.
Newton works at “normal speeds” but doesn’t work when things move really fast, so Einstein fixed that with relativity, and quantum mechanics expounded on Einstein.
But the older theories remain valid in their domains.
That’s why when building a bridge you use Newton and not relativity or quantum mechanics.
Neither Newton nor Relativity were wrong. They just don’t explain absolutely everything.