Image: Gaia`s first full-colour all-sky map
(PHYSorg.com Space & Earth)

While surveying the positions of over a billion stars, ESA`s Gaia mission is also measuring their colour, a key diagnostic to study the physical properties of stars. A new image provides a preview of Gaia`s first full-colour all-sky map, which will be unleashed in its highest resolution with the next data release in 2018.