Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleGaia's galaxy gets bigger.SubjectsGAIA (Artificial satellite); ASTRONOMICAL observations; GALAXIESPublicationAstronomy & Geophysics, 2018, Vol 59, Issue 3, p3.6ISSN1366-8781Publication typeArticleDOI10.1093/astrogeo/aty107