Chandra X-ray Center

Chandra adds to black hole birth announcement

New details about the birth of a famous black hole that took place millions of years ago have been uncovered, thanks to a team of scientists who used data from NASA's Chandra X-ray Observatory as well as from radio, optical ...

dateNov 17, 2011 in Astronomy
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How often do giant black holes become hyperactive?

(PhysOrg.com) -- A new study from NASA's Chandra X-ray Observatory tells scientists how often the biggest black holes have been active over the last few billion years. This discovery clarifies how supermassive black holes ...

dateDec 20, 2010 in Astronomy
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Chandra finds evidence for stellar cannibalism

Evidence that a star has recently engulfed a companion star or a giant planet has been found using NASA's Chandra X-ray Observatory. The likely existence of such a "cannibal" star provides new insight into how stars and ...

dateSep 14, 2010 in Astronomy
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Black Hole Gets Jerked Around -- Twice

(PhysOrg.com) -- Scientists have found evidence that a giant black hole has been jerked around twice, causing its spin axis to point in a different direction from before. This discovery, made with new data from NASA's Chandra ...

dateJul 21, 2010 in Astronomy
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M82: 'Survivor' Black Holes May Be Mid-Sized

(PhysOrg.com) -- New evidence from NASA's Chandra X-ray Observatory and ESA's XMM-Newton strengthens the case that two mid-sized black holes exist close to the center of a nearby starburst galaxy. These "survivor" black ...

dateApr 29, 2010 in Astronomy
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Supernova explosions stay in shape

At a very early age, children learn how to classify objects according to their shape. Now, new research suggests studying the shape of the aftermath of supernovas may allow astronomers to do the same.

dateDec 17, 2009 in Astronomy
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