Spiral galaxy NGC 891 shows the edge of its dust-disk as a thick dark lane in this image. Supernovae winds blow the dust out of the plane into an extended halo, with a pressure resulting from the sudden, violent explosion of young, massive stars.
Two decades ago, astronomers spotted one of the brightest exploding stars in more than 400 years. Since that first sighting, the doomed star, called Supernova has continued to fascinate astronomers with its spectacular light show. The NASA/ESA Hubbl
Hurricane on Saturn & more amazing outer space discoveries
This image from NASA's Wide-field Infrared Survey Explorer, or WISE, is a view of an area of the sky over 12 times the size of the full Moon on the border of the constellations Sagittarius and Corona Australis.