Hubblecast 117 Light: Hubble Gaia weigh the Milky Way

Measurements from the NASA, ESA Hubble Space Telescope and the ESA Gaia mission have been combined to improve he estimate of the mass of our home galaxy the Milky Way: 1. 5 trillion solar masses. You cansubscribe to the Hubblecasts in iTunes, receive future episodes onYouTubeor follow us onVimeo. Many other Hubblecast episodes are also available. Find out how toview and contribute subtitlesfor the Hubblecast in multiple languages, ortranslate this video on YouTube. More information and do