News tagged with supernova remnants

Image: Chandra's view of the Tycho Supernova remnant

More than four centuries after Danish astronomer Tycho Brahe first observed the supernova that bears his name, the supernova remnant it created is now a bright source of X-rays. The supersonic expansion of the exploded star ...

dateJul 25, 2014 in Astronomy
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New suspect identified in supernova explosion

( —Supernovas are often thought of as the tremendous explosions that mark the ends of massive stars' lives. While this is true, not all supernovas occur in this fashion. A common supernova class, called Type Ia, ...

dateJun 04, 2014 in Astronomy
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Supernova cleans up its surroundings

( —Supernovas are the spectacular ends to the lives of many massive stars. These explosions, which occur on average twice a century in the Milky Way, can produce enormous amounts of energy and be as bright as ...

dateApr 10, 2014 in Astronomy
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Astronomers discover a new black hole in our galaxy

(—NASA's Swift satellite recently detected a rising tide of high-energy X-rays from a source toward the center of our Milky Way galaxy. The outburst, produced by a rare X-ray nova, announced the presence of a previously ...

dateOct 05, 2012 in Astronomy
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