X-ray Astronomy and the IR Background
X-ray astronomy in the future
X-ray Binaries in Nearby Galaxies: Identifying Black Hole and Neutron Star Candidates
X-ray Binaries in the Central Region of M31
X-ray biosignature of bacteria in terrestrial and extra-terrestrial rocks
X-ray burst sources - A model for chaotic behaviour
X-Ray Bursts from Anomalous X-Ray Pulsars
X-Ray Ccds for Space Applications: Calibration, Radiation Hardness, and Use for Measuring the Spectrum of the Cosmic X-Ray Background
X-ray Cluster Large Scale Structure and Cosmology
X-Ray Clusters and the Determination of Mass and Baryonic Fraction
X-ray clusters of galaxies and the luminosity-richness relation
X-ray constraints on the intergalactic medium
X-ray Cosmic Topology
X-ray diagnostics with full radiative transfer (ALI method)
X-Ray Diffraction Analysis of Clay Mineral Associations to Determine Alteration Environments on Mars
X-Ray Diffraction and Fluorescence Measurements for In Situ Planetary Instruments
X-Ray Diffraction Instrument For In Situ Analysis of Martian Rocks
X-Ray Diffraction Techniques for a Field Instrument: Patterns of Lithologic Provences
X-ray emission around radio galaxies in non-Abell clusters - A possible physical link between environment and nonthermal radio emission
X-ray Emission from Galaxies Outside the Local Universe