Preferential settling of elongated mineral dust particles in the atmosphere

Preferred orbit planes in triaxial galaxies. II - Tumbling about a nonprincipal axis

Preferred orbit planes in tumbling triaxial galaxies. III Application to the Schwarzschild ellipsoid

Pregalactic dust and distortions of the cosmic-background spectrum

Preionization-dependent families of radiative shock waves

Preliminary analysis of the MER magnetic properties experiment using a computational fluid dynamics model

Preliminary CH4 Line List Data for Stellar Atmospheres

Preliminary development of a global 3-D magnetohydrodynamic computational model for solar wind-cometary and planetary interactions

Preliminary estimates of nucleon fluxes in a water target exposed to solar-flare protons: BRYNTRN versus Monte Carlo code

Preliminary Mapping of Permanently Shadowed and Sunlit Regions Using the Lunar Reconnaissance Orbiter Camera (LROC)

Preliminary orbit determination using satellite-to-satellite limited range and range-rate data

Preliminary photomaps of Venus surface in the Maxwell Mountains and adjacent areas

Preliminary Results From a Three-dimensional Numerical Simulation of Compositional Convection in the Earth's Fluid Core

Preliminary results of the Cerenkov EAS flashes the Crimean Astrophysical Observatory

Preliminary solutions for the lunar gravity field from analysis of lunar orbiter tracking data

Preliminary validation of computational procedures for a new atmospheric ionizing radiation (air) model

Preliminary WFC3 UVIS PSF Evaluation

Preparation and testing of a space navigation experiment for the image-forming high energy x ray astronomy, using a rotation modulation collimator: Data transfer and data processing

Preparing New Polar Researchers to Lead the Next International Polar Year

Pressure distribution at the inner boundary of an astropause caused by a compressible stellar wind