Free Astronomy Magazine November-December 2015

THE FREE MULTIMEDIA MAGAZINE THAT KEEPS YOU UPDATED ON WHAT IS HAPPENING IN SPACE Bi-monthly magazine of scientific and technical information ✶ November-December 2015 issue ✶ ✶ Even today there is liquid water on Mars Exploring asteroids and comets using “ hedgehogs ” Discovered the first Dyson sphere? Mysterious ripples found racing through planet-forming disc VISTA discovers new component of Milky Way The nearest quasar is powered by a double black hole