A supermassive black hole in the spiral galaxy NGC 3783 just delivered an X-ray surprise that astronomers have never watched unfold so quickly. Using the European Space Agency’s XMM-Newton and the ...
When a star drifts too close to a supermassive black hole, the latter tears it apart rather violently, creating a temporary disk of glowing gas that makes the otherwise imperceptible black hole ...
A star’s fatal brush with a supermassive black hole can light up a quiet galaxy. When gravity shreds the star, its gas spirals inward and briefly glows. Astronomers call these flares tidal disruption ...
Add Yahoo as a preferred source to see more of our stories on Google. An international team of researchers used the European Space Agency's XMM-Newton and XRISM, a JAXA-led mission with ESA ...