Architecture for access to a compute intensive image mosaic service in the NVO

Architecture of a multiprocessor system for Hartmann-Shack wavefront sensor

Arcs from gravitational lensing

Arcsecond positions for milliarcsecond VLBI nuclei of extragalactic radio sources, part 2: 207 sources

Are cosmic strings gravitationally stable topological defects?

Are galaxies more strongly correlated than clusters?

Are Main-belt Asteroids a Sufficient Source for the Earth-Approachers?

Are s-elements really produced during thermal pulses in intermediate-mass stars?

Are some BL Lac objects artefacts of gravitational lensing?

Are some N-body algorithms intrinsically less collisional than others?

Are the aerosols on Uranus and Neptune composed of methane photopolymers?

Are the filaments real?

Are the high-velocity molecular flows really clumpy?

Arecibo Observatory and the National Virtual Observatory

Arm classification and velocity gradients in spiral galaxies

Arrival and departure impulsive Delta V determination for precessing Mars parking orbits

Arrival-time analysis for a millisecond pulsar

Artificial acceleration in accumulation due to coarse mass-coordinate divisions in numerical simulation

Artificial Exo-Society Modeling: a New Tool for SETI Research

Artificial fragments blur star formation research.