Astronomers recently used NASA's Hubble Space Telescope and the European Space Agency's Gaia Satellite to weigh the Milky Way. According to what the astronomers call the most accurate measurements, made so far, the total mass of our home galaxy comes in at 1.5 trillion solar masses (that's equivalent to 1.5 trillion Suns).
Science in a Minute 031119 Astronomers Weigh the Milky Way 1308186
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