Map to the stars.🌃 Astronomers released a new all-sky map of the Milky Way’s outer reaches and the highlight we see is a wake of stars stirred up by a small galaxy cruising through space. The map could also offer a new test of dark matter theories. http://go.nasa.gov/32AG8KM | NASA Jet Propulsion Laboratory

British scientists have led the creation of the first accurate 3D atlas of our galaxy, a map of some 1.8 billion stars that has allowed the mass of the Milky Way to be calculated accurately for the first time https://www.thetimes.co.uk/edition/news/gaia-satellite-creates-the-first-accurate-3d-map-of-the-milky-way-g8z5d8mkn | The Times and The Sunday Times

There are 1.7 billion stars to count in this incredible new map of our galaxy. | Quartz