A celestial witch’s broom? A new view of the Pencil Nebula
Wednesday, September 12, 2012 - 08:30
in Astronomy & Space
The Pencil Nebula is pictured in a new image from ESO’s La Silla Observatory in Chile. This peculiar cloud of glowing gas is part of a huge ring of wreckage left over after a supernova explosion that took place about 11,000 years ago.