Y2O3 Based Spray-On Cryogenic Thermal Control Coating Study
X-ray topography as a process control tool in semiconductor and microcircuit manufacture
X-ray timing beyond the Rossi X-ray Timing Explorer
X-ray redshifts with the International X-ray Observatory (IXO)
X-Ray Micro-Tomography Applied to Nasa's Materials Research: Heat Shields, Parachutes and Asteroids
XMM-Newton observations of faint X-ray sources in globular clusters
X-57 Maxwell Structural Loads Requirements Loads Analysis for Cruise Nacelle Structure
X-57 Maxwell NASA's Distributed Electric Propulsion Research Platform
World Space Observatory-Ultraviolet: ISSIS, the imaging instrument
Working group written presentation: Solar radiation
Working group written presentation: Meteoroid/orbital debris effects on materials
With a view to their practical solution: Sixty years with NACA and NASA, 1915 - 1976
Wind Tunnel Experiment of Microjet-based Flow Control on a Multi-Element High-Lift Airfoil