New research reveals just how invisible this stuff is, even to itself.
GK Persei is the site of a powerful stellar explosion over 100 years ago that continues to shape surrounding space to this day.
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.
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 →
To celebrate 15 years in orbit, NASA has release new, mind-blowing views of the Chandra X-ray observatory's most famous supernova remnants.
After hundreds of hours staring into the Whirlpool Galaxy, NASA's Chandra X-Ray Observatory has spotted the X-ray emissions of active black holes. Continue reading →
The complex violence of a galactic cluster four-way has been recorded 5 billion light-years distant and astronomers don't yet fully understand what they are witnessing. Continue reading →
We thought we had star formation mechanisms pinned down, but according to new observations of two star clusters, it seems our understanding of how stars are born is less than stellar. Continue reading →
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