x-ray telescope | scienceinfo.net

Space map contains over a million celestial objects
The X-ray telescope completed the first survey of the entire sky, helping researchers create a detailed map of the universe.
Russia launched a new space telescope
The Spektr-RG telescope is expected to be able to detect 3 million supermassive black holes and 100,000 new galaxies in operation.
The first time a black hole was discovered, it swallowed a star
An extremely large cosmic black hole