News tagged with black holes

Hubble views a bizarre cosmic quartet

This new NASA/ESA Hubble Space Telescope image shows a gathering of four cosmic companions. This quartet forms part of a group of galaxies known as the Hickson Compact Group 16, or HCG 16—a galaxy group bursting with dramatic ...

dateJun 18, 2015 in Astronomy
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The ages of extragalactic jets

The longest known highly collimated structures in the universe are the narrow jets that emanate from the vicinity of powerful black holes in certain types of galactic nuclei. These narrow beams, often in pairs propagating ...

dateJun 08, 2015 in Astronomy
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