... Here, a high concentration of dust and molecular gas absorb practically all the visible light emitted from background stars. The Infrared Visible Andromeda . ... The field of view spans the Andromeda Galaxy (M31), a massive spiral a mere 2.5 million light-years away. ... The Flame Nebula in Visible and Infrared . ... Fifteen hundred light years away towards the constellation of Orion lies a nebula which, from its glow and dark dust lanes, appears, on the left, like a billowing fire. ...