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Aug. 28, 2013 -- A modified law of gravity correctly predicted, in
advance of the observations, the velocity dispersion -- the average
speed of stars within a galaxy relative to each other -- in 10 dwarf
satellite galaxies of the Milky Way's giant neighbor Andromeda.
The relatively large velocity dispersions observed in these types of
dwarf galaxies is usually attributed to dark matter. Yet predictions
made using the alternative hypothesis Modified Newtonian Dynamics (MOND)
succeeded in anticipating the observations.
Stacy McGaugh, professor of astronomy at Case Western Reserve, and
Mordehai Milgrom, the father of MOND and professor of physics at
Weizmann Institute in Israel, report their findings, which have been
accepted for publication by the Astrophysical Journal.
Stacy McGaugh, Moti Milgrom. Andromeda Dwarfs in Light of MOND. II.
Testing Prior Predictions. Astrophysical Journal, 2013
[Mod. note: non-ASCII character removed -- mjh]
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