Image credit: Hubble The Hubble Space Telescope has taken a new image of the Pencil Nebula, officially known as NGC 2736, which is part of the huge Vela supernova remnant located 815 light-years away. The nebula’s luminous appearance comes from dense gas regions which have been struck by the supernova’s shock wave and heated up. … Continue reading "Hubble Reveals the Pencil Nebula"