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Old 10-06-2020, 12:17 PM
gary
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Question A quick tutorial on one way to estimate the mass of the Milky Way

Quote:
Originally Posted by Wahl, et. al
We can’t put it on a digital scale, we can’t hang it on a balance and compare it against something else, so how does one measure the mass of our home galaxy?
Haley Wahl, a third year astronomy grad student at West Virginia University,
explains how using measurements of globular clusters in the halo of the
galaxy taken from the Gaia satellite, one can estimate a mass for the Milky Way.

'Astrobite' tutorial here, dated 9 June 2020 :-
https://aasnova.org/2020/06/09/how-d...eigh-a-galaxy/
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