.@ESAGaia’s all-sky view of our Milky Way Galaxy and neighbouring galaxies, based on measurements of nearly 1.7 billion stars. #GaiaDR2
Explore Gaia's sky in colour: https://t.co/GHF78zSlXj
Watch live: https://t.co/aykZQW9t2H pic.twitter.com/mOuES3EUJE

— ESA (@esa) April 25, 2018