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Unfortunately, in error by a factor of 1000
August 30, 2007 by Stargazer2 (not verified), 2 years 10 weeks ago
Comment id: 24753
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Stars in the outer reaches of galaxies have velocities measured in hundreds of km/s, not hundreds of thousands
km/s. They are reaching only about 0.1% of lightspeed, thus any inertial mass increase is completely insignificant
(0.00005%) and will certainly not explain dark matter away. To do that stars would have to be whizzing around the galaxy at 97% of light speed.