World-wide link availability for geostationary and critically inclined orbits including rain attenuation effects

Wormholes and Peccei-Quinn symmetries

Would a collision on Uranus explain its systematic residuals?

WR 40: coherence or chaos?

WZ SGE as a dwarf nova

X ray laser program

X-ray absorption dips in low-mass X-ray binaries - an evidence for tidal feed back?

X-ray absorption toward the red quasar 3C 212

X-ray and gamma-ray emissions expected from supernova 1987A

X-ray and ultraviolet radiation from accreting white dwarfs. IV - Two-temperature treatment with electron thermal conduction

X-ray Clusters as a Discriminant among Cosmological Models

X-ray clusters from a high-resolution hydrodynamic PPM simulation of the cold dark matter universe

X-Ray Dichroism in Photoelectron Spectroscopy for Direct Element Specific Surface Magnetometry of Nanomagnetic Structures

X-Ray Emission from Flare Collapsing Trap

X-ray emission from starburst galaxies

X-ray emission in wind instability simulations

X-ray halos as tracers of the distance of the gamma-ray bursters

X-ray illuminated stellar winds - Ionization effects in the radiative driving of stellar winds in massive X-ray binary systems

X-ray irradiated accretion disks and bimodal states

X-ray jets and magnetic flux emergence in the Sun