The angular correlation of quasars and Abell clusters
The angular dimensions of extragalactic radio sources
The angular distribution of extragalactic infrared source counts - Modelling
The angular distribution of gamma-ray bursts
The angular momentum of a Kerr black hole
The angular momentum-vs-mass relation and the distribution of mass ratios for visual binary systems
The anisotropic radiative transfer problem in optically thick, strongly magnetized plasma - A comparison of results
The anisotropy of emission from hotspots in extragalactic radio sources
The anisotropy of local turbulence in the Earth's core
The anisotropy of the diffuse cosmic X-ray background
The anomalous extinction law
The appearance of primeval galaxies
The applicability of ray perturbation theory to mantle tomography
The application of a correlation analysis to the study of the cepheid distribution in the LMC
The Application of Artificial Neural Networks to Astronomical Classification
The application of data processing to the research of spike radiation.
The Application of the Finite Element Method on Astronomical Equipments Design
The area of isodensity contours in Gaussian and non-Gaussian fields
The Arnowitt-Deser-Misner principle and geodesical flows in superspace
The Association of Big Flares and CMEs: What is the Role of Magnetic Helicity?