In a striking example of multi-mission astronomy, measurements from the NASA/ESA Hubble Space Telescope and the ESA Gaia mission have been combined to improve the estimate of the mass of our home galaxy the Milky Way: 1.5 trillion solar masses.
The release, images and videos are available on:
https://www.spacetelescope.org/news/heic1905/
Kind regards,
ESA/Hubble Information Centre
The ESO Education and Public Outreach Department
7 March 2019
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