有时粉色的黑洞更漂亮
This false-color image, taken by the Chandra X-Ray Observatory in 2012, shows an extraordinary outburst from a black hole – where its X-ray output increased at least 3,000 times – in the galaxy M83. Chandra observed what is called a ULX, or ultraluminous X-ray source. The remarkable behavior of this ULX in M83 provides direct evidence for a population of old...