Free Astronomy Magazine March-April 2018

THE FREE MULTIMEDIA MAGAZINE THAT KEEPS YOU UPDATED ON WHAT IS HAPPENING IN SPACE Bi-monthly magazine of scientific and technical information ✶ March-April 2018 issue A WR star at the origin of the Solar System News from the TRAPPIST-1 system ExTrA goes into action • ESO’s VLT working as 16-metre telescope for first time • Keck Observatory achieves first light with NIRES • Giant bubbles on red giant star’s surface • First ELT main mirror segments successfully cast • SMBHs−host galaxies co-evolution deepened by ALMA ✶ ✶