X-ray Astronomy 2019. Current Challenges and New Frontiers in the Next Decade

The meeting - fourth in a decadal series of X-ray astronomy conferences held in Bologna - will focus on the contribution of current and past X-ray missions to our knowledge of the hot and energetic Universe, and highlight the results from the ESA and NASA flagships missions XMM-Newton and Chandra in the 20th anniversary of their operation.