An unparalleled image from NASA’s Chandra X-ray Observatory gives astronomers the best look yet at the growth of black holes over billions of years beginning soon after the Big Bang. This is the deepest X-ray image ever obtained, collected with about 7 million seconds, or eleven and a half weeks, of Chandra observing time.
The image comes from what is known as the Chandra Deep Field-South. The central region of the image contains the highest concentration of supermassive black holes ever seen, equivalent to about 5,000 objects that would fit into the area of the full Moon and about a billion over the entire sky.
“With this one amazing picture, we can explore the earliest days of black holes in the Universe and see how they change over billions of years,” said Niel Brandt of Pennsylvania State University in University Park, Pennsylvania, who led a team of astronomers studying the deep image.
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