Hubble and Gaia –“Measure the Milky Way & Its Vast Envelope of Dark Matter”

    “Because of their great distances, globular star clusters are some of the best tracers astronomers have to measure the mass of the vast envelope of dark matter surrounding our galaxy far beyond the spiral disk of stars,” said Tony Sohn of STScI, who led the Hubble measurements of our galaxy’s mass, using NASA’s […]

The post Hubble and Gaia –“Measure the Milky Way & Its Vast Envelope of Dark Matter” appeared first on The Daily Galaxy.

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