|Illustration of an active, supermassive |
black hole in a galaxy's center
Astronomers and theorists from Yale, Rutgers, and the Universities of Hawaii and Michigan have now gathered evidence suggesting that each galaxy and its black hole grow in tandem, starting less than a billion years after the Big Bang. As reported in the journal Nature, the team revealed this by looking at some 250 distant galaxies earlier spotted by the Hubble Space Telescope and searching with the Chandra X-Ray Observatory for the x-ray signals being emitted from each galaxy's central black hole. What they find is a distinct connection: the black holes growing and evolving over time along with their host galaxies. "This finding," says team member Kevin Schawinski of Yale University, "tells us there is a symbiotic relationship between black holes and their galaxies that has existed since the dawn of time."
Image Credit: NASA Goddard Space Flight Center