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G306.3-0.9 is a faint supernova remnant of about 25 light-years across, located some 26,000 light-years from Earth in the southern constellation of Centaurus. The explosion’s shock wave is racing through space at about 2.4 million kilometers per hour. - Image Credit: X-ray: NASA/CXC/Univ. of Michigan/M. Reynolds et al; Infrared: NASA/JPL-Caltech; Radio: CSIRO/ATNF/ATCA - http://annesastronomynews.com/photo-gallery-ii/nebulae-clouds/g306-3-0-9-supernova-remnant/

A Halo for NGC 6164 Image Credit & Copyright: Don Goldman Explanation: Beautiful emission nebula NGC 6164 was created by a rare, hot, luminous O-type star, some 40 times as massive as the Sun. Seen at the center of the cosmic cloud, the star is a mere 3 to 4 million years old. In another three to four million years the massive star will end its life in a supernova explosion. Spanning around 4 light-years, the nebula itself has a bipolar symmetry.

“Two Ragamuffins: Didn't Live Nowhere," circa 1890 by Dane who "accidentally" became a photographer in the slums of NYC at the turning of the century; Jacob Riis

M77, a Seyfert Galaxy with an active black hole in its nucleus. It's located nearly sixty million light years away. in the constellation Cetus. ©Mona Evans, "Cetus the Sea Monster," http://www.bellaonline.com/articles/art178756.asp

New XDF Image, The Deepest-Ever View of the Universe: This new full-color XDF image offers an improved portrait of the deepest-ever view of the Universe and contains about 5,500 galaxies. The Hubble Ultra Deep Field is an image of a small area of space in the constellation of Fornax (The Furnace), created using Hubble Space Telescope data from 2003 and 2004. By collecting faint light over one million seconds of observation, the resulting image revealed thousands of galaxies, both...

Simeis 147: Supernova Remnant: The intricate filaments of faint supernova remnant Simeis 147. Also cataloged as Sh2-240 and seen towards the constellation Taurus, about 3,000 light years distant.