+X-ray astronomy observes celestial objects by detecting [X-rays](/wiki/x_rays), high-energy electromagnetic radiation. Since Earth's atmosphere absorbs these rays, specialized [space telescopes](/wiki/space_telescope) are essential for this field. It unveils extreme cosmic phenomena, including black holes, neutron stars, and hot galaxy clusters.
+## See also
+- [Gamma-ray Astronomy](/wiki/gamma_ray_astronomy)
+- [Ultraviolet Astronomy](/wiki/ultraviolet_astronomy)
+- [Multi-messenger Astronomy](/wiki/multi_messenger_astronomy)