Astronomers Spy the Ghost of a Star and Cosmic Cobwebs
Colorful, ghostly remnants drift in space where a massive star exploded 11,000 years ago. The Vela supernova remnant, named after the Vela constellation, is all that remains after the star reached the end of its life. Pink and orange gas clouds mark the spot 800 light-years away from Earth, making it one of the closest […]