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Sep 25, 2015 03:51 PM ET // Ian O'Neill
These beautiful, shimmering tendrils of plasma are all that remain of an ancient massive star that, approximately 8,000 years ago, died and exploded as a supernova.
Sep 12, 2015 07:27 AM ET // Elizabeth Howell,
A so-called cosmic tsunami is rousing a galaxy cluster affectionately nicknamed Sausage, suggesting that stagnant galaxies can be rejuvenated when galactic clusters collide.
Aug 4, 2015 01:28 PM ET // Ian O'Neill
Astronomers have announced the discovery of a truly monstrous structure consisting of a ring of galaxies around 5 billion light-years across -- and it defies cosmological theory.
Jun 5, 2015 01:54 PM ET // Ian O'Neill
Three supernovae have been found erupting alone in the depths of 'intracluster' space -- a cosmic first.
Mar 16, 2015 08:18 PM ET // Ian O'Neill
GK Persei is the site of a powerful stellar explosion over 100 years ago that continues to shape surrounding space to this day.
Mar 5, 2015 02:00 PM ET // Irene Klotz
A ravaged star, having survived its partner's supernova explosion, is being flung out of the Milky Way at record speeds.
Mar 5, 2015 02:00 PM ET // Irene Klotz
Researchers using the Hubble space telescope took advantage of a naturally occurring zoom lens in space to capture an unprecedented quadruple image of an ancient supernova.
Feb 9, 2015 09:30 AM ET // Stuart Gary, ABC Science Online
The supernova remnant is located over 150,000 light-years away in the satellite dwarf galaxy known as the Large Magellanic Cloud.
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