Interesting stuff, once more
Bit borderline magnitude for my scope, but I should try to hunt it down if I get a chance. As Seyfert galaxy, it should have a bright core (they are not JUST bright in X-ray and UV).
The dimming of the bright centre of an active distant galaxy may be the result of unexpected behaviour from a supermassive black hole at its heart, according to NASA. A black hole Bad gas ... Artist's impression of a black hole The scientists, using NASA and ESA space observatories including the Hubble Space Telescope, …
This artist has flunked art school and now goes into "scientific illustrations" unencumbered by any idea of what he's drawing about.
A "black hole" is not a Hollywood-style sinkhole in space. It "looks" like this:
http://en.wikipedia.org/wiki/Hawking_radiation