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“Chandra X-Ray Observatory”

Sep 24, 2015 07:00 AM ET // Ian O'Neill
The supermassive black hole in the center of our galaxy has started to stir and astronomers are pondering whether the uptick in flare activity has been triggered by the passage of a mysterious dust-enshrouded star.
Aug 11, 2015 05:58 PM ET // Ian O'Neill
Astronomers have discovered the smallest supermassive black hole lurking in the center of a dwarf galaxy around 340 million light-years away. Small it may be, but it could help to unlock some pretty hefty black hole mysteries.
Jul 22, 2015 06:28 PM ET // Ian O'Neill
As spotted by NASA's Chandra X-ray Observatory, a binary star system 7,500 light-years away has undergone a violent stellar wrecking ball event.
Mar 26, 2015 04:04 PM ET // Ian O'Neill
New research reveals just how invisible this stuff is, even to itself.
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.
Feb 27, 2015 12:37 AM ET // Ian O'Neill
Astronomers have detected a black hole embedded in the spiral arm of a galaxy 100 million light-years from Earth — but this isn’t any old black hole, it belongs to an extremely elusive class that may be the ‘missing link’ in black hole evolution.
Dec 19, 2014 12:56 PM ET // Jason Major
This image, a composite of x-ray, infrared, and optical data, shows the most massive galaxy cluster ever discovered at its distance: a staggering 9.6 billion light-years away, altogether containing the equivalent mass of 400 trillion suns. Continue reading →
Jul 25, 2014 12:45 PM ET // Ian O'Neill
To celebrate 15 years in orbit, NASA has release new, mind-blowing views of the Chandra X-ray observatory's most famous supernova remnants.
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