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News From the Field

How do you weigh a galaxy? Especially the one you're in?


June 6, 2018

A new technique promises more reliable estimates of the masses of galaxies, according to a paper published in the Astrophysical Journal. The study is the first to combine full 3-D motions of several of the Milky Way's satellite galaxies with computer simulations to constrain the mass of the Milky Way. Full Story

Source
University of Arizona

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