ESA releases the most detailed star map yet

ESA releases the most detailed star map yet

The Gaia satellite and its one-billion-pixel camera have been mapping the Milky Way (and more) since 2013, collecting data to reveal new information, such as stars we haven’t seen before. In addition to the location, brightness, distances and motions of over a billion stars, Gaia’s second set of data also includes color measurements of nearly …