Gaias Milky Way discoveries

ESA s Gaia mission is surveying more than a billion stars in our cosmic neighbourhood to chart the history and evolution of our home galaxy, the Milky Way. This video highlights some of the mission s discoveries based on the first 22 months of scanning the sky. Images, videos: Koppelman, Villalobos Helmi, Kapteyn AstronomicalInstitute, University of Groningen, The Netherlands ESA European Space Agency ESA, Gaia, DPAC, CC BYSA 3. 0 IGO Stefan PayneWardenaar ESA, Hubble, NASA, L. Calçada; CC BY 4. 0 ESA (artists impression and composition); Marchetti et al 2018 (star positions and trajectories); NASA, ESA, Hubble (background galaxies), CC BYSA 3. 0 IGO ESA, Gaia, DPAC, CC BYSA 3. 0 IGO