Astronomers calculate the mass of the entire Milky Way galaxy

How heavy is the Milky Way galaxy? It may seem impossible to get a sense of it from our tiny little planet in the midst of it, but astronomers have their ways. Now a team has used data from Hubble and the Gaia satellite to make the most accurate measurement of the mass of the galaxy by studying the motions of star clusters orbiting the Milky Way.

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Category: Space

Tags:

• Dark Matter
• Gaia
• Galaxy
• Hubble
• Stars

from New Atlas (Gizmag) https://ift.tt/2ToTcAJ