Astronomers using NASA's Chandra X-ray Observatory discovered the first pair of supermassive black holes in a spiral galaxy similar to the Milky Way. Approximately 160 million light years from Earth, the pair is the nearest known such phenomenon.
Over fifty years ago, a supernova was discovered in M83, a spiral galaxy about 15 million light years from Earth. Astronomers have used NASA’s Chandra X-ray Observatory to make the first detection of X-rays emitted by the debris fro... Read Post
For a decade, NASA's Chandra X-ray Observatory has observed the Andromeda Galaxy for a combined total of nearly one million seconds, giving astronomers an unprecedented view of the nearest supermassive black hole outside the Milky W... Read Post
Using data from NASA's Chandra X-ray Observatory, astronomers have discovered an unprecedented bonanza of black holes in the Andromeda Galaxy, one of the nearest galaxies to the Milky Way. Using more than 150 Chandra observations, s... Read Post