Data from the NASA/ESA Hubble Space Telescope and the Gaia mission have been used to accurately estimate the weight of the Milky Way Galaxy - 1.5 trillion solar masses! Credit: Directed by: Bethany Downer Editing: Nico Bartmann Web and technical support: Mathias André and Raquel Yumi Shida Written by: Mathias Jager Music: John Stanford - Aurora (johnstanfordmusic.com) Footage and photos: ESO, P. Horálek, ESA, Hubble, NASA., L. Calçada, M. Kornmesser, ATG Medialab, F. Ferraro, S. Brunier Executive producer: Lars Lindberg Christensen