At these scales (entire galaxies, very weak forces), it doesn't make a significant difference.

There are ways of adapting MOND to match general relativity, should it turn to be correct at explaining what it is supposed to explain (like the movement of galaxies).

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NewEntryHN 3 hours ago | parent [-]

I think OP's question is more how could Newton's law "pass" a test any more than General Relativity would, considering that it's merely an edge case of GR?

	▲	GuB-42 2 hours ago \| parent [-]
		Oh yes, I think the title is a bit misleading. It is an argument against MOND, a theory that says that gravity has to be modified to account for some observations. But for these particular observations, general relatively and Newton's laws gives the same results in practice, the difference is negligible, so showing that these observations can be explained by Newton's laws implicitly mean that they can also be explained by general relativity. No need for modifications.