Absorption of radio waves and the effective electron collision frequency in the midlatitude ionosphere

Absorption spectrum of Si I between 1500 and 1900 A

Abundances of energy spectra of individual iron-secondary elements

Accelerated adsorption by activated carbon powders in the presence of an acoustic field

Acceleration of auroral electrons in parallel electric fields

Acceleration of auroral particles by magnetic field-aligned electric fields

Acceleration of barium ions near 8000 km above an aurora

Acceleration of electrons in strong beam-plasma interactions

Acceleration of the Solar Wind by Solitary Waves in Coronal Holes

Acceleration/heating processes on auroral field lines as observed by the Viking spacecraft

Accommodating Sample Size Effect on Similarity Measures in Speaker Clustering

Accretion disk viscosity and internal waves in disks

Accretion Modes in AGN and Analogies with X-ray Binaries

Accretion shocks in a close binary system

Accretion-induced overstability of density waves in a self-gravitating disk

Accumulation and Erosion of Mars’ South Polar Layered Deposits

Accuracy of Born and Ray Approximations in Time-Distance Helioseismology

Accuracy of stratospheric temperature in analyses of global meteorological models from comparisons to long duration balloon measurements

Accurate Acoustic Thermometry I: The Triple Point of Gallium

Accurate and Consistent Microwave Observations of Venus and Their Implications