... VLA observations also revealed an ongoing, persistent source of weaker radio emission in the same region which is typical of a galaxy with an active nucleus. "We do have to keep in mind that this FRB is the only one known to repeat, so it may...
... at the centre of our galaxy, our resident black hole known as Sagittarius A* (Sgr A* for short) is usually a quiet inhabitant. But recent observations with the Keck telescope have showed a big increase in activity suggesting that it could be waking...
... burst of star formation and reshaped the original spiral galaxy, they combined with gravitational forces to distort, twist and...gas motions arising from galactic outflows, mergers and active galaxies have evolved over cosmic time, especially during ...
... there is a thin disc encircling a starving black hole that mimics the much larger discs found in extremely active galaxies. Of particular interest, this disc of material circling the black hole offers a unique opportunity to test Albert Einstein...
... time the amount of heavier elements relative to hydrogen in the Smith Cloud, by measuring the dip in brightness of three active galaxies that reside billions of light-years beyond the cloud. The Smith Cloud absorbs some of its light...
...supermassive black hole accretion in the hearts of other active galaxies. These results allowed researchers to determine that the ...study the magnetic field strength and structure in galaxies. Ongoing efforts like the SOFIA Extragalactic Magnetic ...