The Most Accurate Map of the Milky Way Ever Created Astronomers have built the most precise view of the Milky Way galaxy, compiling data from 3 trillion observations of 2 billion stars over 11 years. The dataset was gathered by the European Space Agency’s Gaia mission. This map provides unmatched detail on star positions, motions, brightness, and distances. Important Details: • Built from 3 trillion measurements • Tracks 2 billion stars • Data collected over 11 years • Created by ESA’s Gaia miss