NASA has published an X-ray image that shows the entire night sky over a span of 22-months, showing a celestial fireworks display. The latest NASA picture is produced by using the Neutron star Interior Composition Explorer (NICER). The image is a result of 22 months of data, with bright spots, where the arcs of X-rays converge showing NICER's most observed locations.
Here you can check out the full article on NASA's official website.