An image released on October 2011 show the Antennae Galaxies (also known as NGC 4038 and are a pair of distorted colliding spiral galaxies about 70 million light-years away, in the constellation of Corvus (The Crow).
The Veil Nebula itself is a large supernova remnant, an expanding cloud born of the death explosion of a massive star. Light from the original supernova explosion likely reached Earth over years ago. - Credit: J-P Metsävainio (Astro Anarchy)
December 21 2015 : Chandra Finds Remarkable Galactic Ribbon Unfurled An extraordinary ribbon of hot gas trailing behind a galaxy like a tail has been discovered using data from NASAs Chandra X-ray Observatory.