Anomalies in the time-averaged paleomagnetic field and their implications for the lower mantle.

Anomalous Diffusion of Charged Particles in the Radiation Zones of the Earth

Anomalous Resistance in Critical Ionization Velocity Phenomena

Antarctic Peninsula troposphere-stratosphere-ionosphere coupling (APTIC) and conjugate events investigation

Apparent temperature anisotropies due to wave activity in the solar wind

Applicability of Array Algebra (Paper 8R0370)

Application of afxy-code for parameterization of ionization yield function Y in the atmosphere for primary cosmic ray protons

Application of multichannel singular spectrum analysis to geophysical fields and astronomical images

Application Specific Integrated Circuits (ASICs) for Particle Measurements in Space Using Solid State Detectors

Archaeo- and paleosecular variation, and long-term asymmetries of thegeomagnetic field.

Archival Study of Energetic Processes in the Upper Atmosphere of the Outer Planets

Are carbonaceous chondrites primitive or processed - A review

Are Galaxies Formed by Material Flowing Out of Singularities?

Are the Chemical Abundances in the Cosmic Masers Abnormal?

Artificial periodic irregularities in the auroral ionosphere

Asteroids and comets

Asymmetries in Mars' Exosphere: Implications for X-ray and ENA Imaging

Asymptotic Form of the Trail of a Body Moving in a Rarefied Plasma

Atmospheric Rotation on Venus

Atomic hydrogen deficiency in spiral galaxies in clusters