All Items Tagged

“x-rays”

Jun 3, 2014 01:46 PM ET // Ian O'Neill
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 →
Feb 20, 2014 12:19 PM ET // Irene Klotz
By tracing radioactive material in the remains of a nearby exploded star, scientists have a new understanding of what happened in the star’s final moments. Continue reading →
Nov 26, 2013 02:10 PM ET // Ian O'Neill
There's small black holes and supermassive black holes, but where are all the medium-sized black holes?
Sep 27, 2013 06:29 AM ET // Jason Major
Astronomers make the first direct observations of a "missing link" between two stages of neutron star evolution. Continue reading →
Sep 12, 2013 07:50 AM ET // Elizabeth Howell, Space.com
A powerful NASA space telescope has found not one, but 10 monster black holes lurking in the hearts of distant galaxies.
Jul 29, 2013 09:57 PM ET // Jason Major
Orbiting x-ray observatories have made their first detections of a transiting exoplanet. Continue reading →
Jun 11, 2013 12:56 PM ET // Ian O'Neill
News about black holes is usually accompanied by some fun description of them eating stuff. But the supermassive behemoth at the center of NGC 253 has become a little... sleepy. Continue reading →
Feb 27, 2013 01:10 PM ET // Ian O'Neill
With the help of NASA's brand new NuSTAR observatory, astronomers have measured the spin of a supermassive black hole by detecting the relativistic effects that warp space-time at the edge of its event horizon.