If you look through a telescope and expect to see a planet, but instead you see a planet and two moons, do you assume your telescope is broken?
That seems to be what you are advocating.
I also think you are blind to the fact that there are particles that we know to exist (not by calculation but by direct observation) that are impossible to detect with an optical or radio telescope, for the simple fact that they barely interact with ordinary matter at all. That makes counting them and adding them up through a telescope impossible (that’s how they discovered the discrepancy, btw).
In light of that evidence, the most plausible explanation is that there is a big mass of this stuff floating around that we simply cannot see. We need to be sure it isn’t there before we decide the theory is wrong.
Now, if there is strong evidence that Neutrinos and their ilk are not the cause of all the extra gravity, then we have to take a very hard look at General Relativity, which is what predicted the movement of the galaxy in the first place.
If you look through a telescope and expect to see a planet, but instead you see a planet and two moons, do you assume your telescope is broken?
That seems to be what you are advocating.
I also think you are blind to the fact that there are particles that we know to exist (not by calculation but by direct observation) that are impossible to detect with an optical or radio telescope, for the simple fact that they barely interact with ordinary matter at all. That makes counting them and adding them up through a telescope impossible (that’s how they discovered the discrepancy, btw).
In light of that evidence, the most plausible explanation is that there is a big mass of this stuff floating around that we simply cannot see. We need to be sure it isn’t there before we decide the theory is wrong.
Now, if there is strong evidence that Neutrinos and their ilk are not the cause of all the extra gravity, then we have to take a very hard look at General Relativity, which is what predicted the movement of the galaxy in the first place.