“Flash Galaxies” –Suddenly Transformed by Previously Unknown Species of Black Hole

behemoth galaxy NGC 1275, also known as Perseus A

 

“It’s surprising that any galaxy can change its look on human time scales,” said astronomer Sara Frederick at the University of Maryland. “These changes are taking place much more quickly than we can explain with current quasar theory. The forces at play must be very extreme and very dramatic.”

(more…)