Parsec-scale Properties of Brightest Cluster Galaxies

Parsec-scale shocks in the kiloparsec-scale jet of Centaurus A

Partial coverage of the Broad Line Region of Q1232+082 by an intervening H2-bearing cloud

Partially Cooled Shocks: Detectable Precursors in the Warm/Hot Intergalactic Medium

Particle Acceleration on Megaparsec Scales in a Merging Galaxy Cluster

Particle Dark Matter in DAMA/LIBRA

Particle Dark Matter: Status and Searches

Particle decays in the presence of a neutrino background

Particle energy cascade in the Intergalactic Medium

Particle hydrodynamics with tessellation techniques

Particle mesh simulations of the Lyman-alpha forest and the signature of Baryon Acoustic Oscillations in the intergalactic medium

Particle Models and the Small-Scale Structure of Dark Matter

Particle motion in weak relativistic gravitational fields

Particle Physics and Astrophysics -- A whitepaper in response to a call to the Astronomy and Astrophysics Community from the Committee on Astro2010 for State of the Profession Position Papers

Particle production during inflation and gravitational waves detectable by ground-based interferometers

Particle Production During Inflation: Observational Constraints and Signatures

Particle reacceleration by compressible turbulence in galaxy clusters: effects of reduced mean free path

partly obscured accretion disk model to explain Shifted broad Balmer emission lines of Active Galactic Nuclei

Paschen-alpha Emission in the Gravitationally Lensed Galaxy SMM J163554.2+661225

Passive and star-forming galaxies at $1.4 \leq z \leq2.5$ in the Aegis field