Radial Temperature Profiles of X-Ray-Emitting Gas Within Clusters of Galaxies

Radial thresholding to mitigate Laser-Guide-Star aberrations on Centre-of-Gravity-based Shack-Hartmann wavefront sensors

Radial transport of dust in spiral galaxies

Radial Transport of Molecular Gas to the Nuclei of Spiral Galaxies

Radial transport of refractory inclusions and their preservation in the dead zone

Radial truncations in stellar discs in galaxies

Radial two-fluid cosmological models

Radial Variation in the Ratio of Blue to Red Supergiants in the Galaxy

Radial variation of attenuation and star formation in the largest late-type disks observed with GALEX

Radial Variation of Magnetic Fluctuations and the Cosmic-Ray Diffusion Tensor in the Solar Wind

Radial Variation of Optical and Near-Infrared Colours in Luminous Early-Type Galaxies in ABELL 2199

Radial variations of G on the galactic scale

Radial variations of line ratios across NGC 5236

Radial Velocities

Radial velocities along the light curve of the peculiar emission-line star GG Carinae

Radial Velocities and Absolute Magnitudes of be Stars.

Radial velocities and axial rotation for a sample of chemically peculiar stars.

Radial Velocities and DDO, BV Photometry of Henry Draper G5-M Stars Near the North Galactic Pole

Radial velocities and distances of galactic H II regions.

Radial velocities and equivalent widths of the double lined binary, HR 2172.