Atypical nighttime spread-F structure observed near the southern crest of the ionospheric equatorial ionization anomaly

Audible sounds excited by aurorae and meteor fireballs

Audiofrequency vibrations and gravity-wave detectors

Aura Microwave Limb Sounder observations of dynamics and transport during the record-breaking 2009 Arctic stratospheric major warming

Aura Microwave Limb Sounder observations of the Northern Annular Mode: From the mesosphere to the upper troposphere

Aura Microwave Limb Sounder Upper Stratospheric/Lower Mesospheric (USLM) Carbon Monoxide Observations in Arctic Winter 2009-2010: Analysis of An Anomalous Mixing Event

Aurora and electrojet configuration in the early morning sector

Aurora Australis

Auroral arc classification scheme based on the observed arc-associated electric field pattern

Auroral beam-plasma interactions - Particle correlator investigations

Auroral Current and Electrodynamics Structure measured by two sounding rockets in flight simultaneously

Auroral E-region - Ion composition and nitric oxide

Auroral electromagnetic disturbances at altitudes of 900 km - Alfven wave turbulence

Auroral electron acceleration and atmospheric interactions - /1/ Rocket-borne observations and /2/ scattering calculations

Auroral electron beams - Electric currents and energy sources

Auroral electron beams - Stability and acceleration

Auroral electron energies - Comparisons of in situ measurements with spectroscopically inferred energies

Auroral electrons and the optical emissions of nitrogen

Auroral emission generated by a trimethyl aluminum release

Auroral emissions due to a dusty plasma instability