Deepest X-ray image ever reveals black hole treasure trove
Friday, January 6, 2017 - 14:01
in Astronomy & Space
An unparalleled image from NASA's Chandra X-ray Observatory is giving 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 11 and a half weeks, of Chandra observing time.