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Originally Posted by snarkophilus
Okay, that's what I was asking for... what predictions? I've heard LSB observations mentioned somewhere before -- how do these match to MOND? Are they uniformly supportive of it, or are there contradictory results as well?
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Yes, MOND predicted the rotation curves of LSB galaxies a decade before they were measured. I don't know if these results have been uniformly accepted.
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Originally Posted by snarkophilus
Besides, MOND isn't really necessary to quantify the difference between the SM and observation. One can just look at where things are and where they ought to be.
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You're right, of course, but the fact that MOND was proposed is a watershed. It shows that at least some people are resistant to tacking epicycle after epicycle onto an already bloated model. Also, the fact that MOND can apply some simple rules and undo the failure of the SM to predict the rotation curves of galaxies is encouraging, because it suggests that correcting our gravitational model is not going to be too daunting.
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The ether of general relativity therefore differs from that of classical mechanics or the special theory of relativity respectively, in so far as it is not 'absolute', but is determined in its locally variable properties by ponderable matter.
Albert Einstein, "On the Ether", 1924
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