We can't put the whole Milky Way on a scale, but astronomers have been able to come up with one of the most accurate measurements yet of our galaxy's mass, using NASA's Hubble Space Telescope and the European Space Agency's Gaia satellite.
from Top Technology News -- ScienceDaily https://ift.tt/2CangW1
Friday, March 8, 2019
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» What does the Milky Way weigh? Hubble and Gaia investigate
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