Organization of the magnetosphere during substorms

Origin of Cosmic Rays I. Introduction. Metagalactic Models

Origin of Cosmic Rays II. The Halo Problem. Galactic Models

Our present view of Mercury and Venus

Outer planets satellites

Outer Radiation Zone of the Earth and Bursts of X-Ray Radiation in the Stratosphere

Outstanding issues in the theory of radar aurora: Evidence from the frequency dependence of spectral characteristics

Outstanding Student Paper Awards

Oxygen and Neon Abundance in spiral galaxies. Radial Distributions

Paleomagnetic records of geomagnetic field reversals and the morphology of the transitional fields

Paleomagnetism and the motion of large and small plates.

Paleomagnetism of the moon and meteorites

Paleomagnetism related to continental drift and plate tectonics.

Parameterization of the Planetary Boundary Layer in Atmospheric General Circulation Models

Parametric modeling of global TEC fields

Parker Problem in Hall Magnetohydrodynamics

Particle acceleration and energy distribution in multi-streaming plasmas

Particle Barriers in Cosmology

Particle Creation by Gravitational Fields in Collapse and Singularity

Particle Propagation Upstream of CIR Shocks