News tagged with x-ray

Supernova ejected from the pages of history

A new look at the debris from an exploded star in our galaxy has astronomers re-examining when the supernova actually happened. Recent observations of the supernova remnant called G11.2-0.3 with NASA's Chandra X-ray Observatory ...

dateAug 17, 2016 in Astronomy
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A black hole story told by a cosmic blob and bubble

Two cosmic structures show evidence for a remarkable change in behavior of a supermassive black hole in a distant galaxy. Using data from NASA's Chandra X-ray Observatory and other telescopes, astronomers are piecing together ...

dateAug 10, 2016 in Astronomy
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