R0 Cosmology ?

R136 - the Core of the Ionizing Cluster of 30-DORADUS

R136a in the 30 Doradus nebula resolved by holographic speckle interferometry

R3 fluids

R3D: Reduction Package for Integral Field Spectroscopy

R4 in the Small Magellanic Cloud: a spectroscopic binary with a B[e]/LBV-type component.

R=0 spacetimes and self-dual Lorentzian wormholes

R=100,000 Mid-IR Spectroscopy of UCHII Regions: High Resolution is Worth it!

R=100,000 Spectroscopy of Photodissociation Regions: H2 Rotational Lines in the Orion Bar

RACE-OC Project: Rotation and variability in the epsilon Chamaeleontis, Octans, and Argus stellar associations

RACE-OC Project: Rotation and variability in the open cluster M11 (NGC6705)

RACE-OC Project: Rotation and variability in the open cluster NGC2099 (M37)

RACE-OC Project: Rotation and variability in young stellar associations within 100 pc

RACE-OC project: Rotation and variability of young stellar associations within 100 pc

Radal Velocities of Z SCULPTORIS, XI Phoenicis, and Beta Crucis.

RADAMESH: Cosmological Radiative Transfer for Adaptive Mesh Refinement Simulations

Radar and Lidar Probing of The Atmosphere

Radar Astronomy

Radar Evidence of Solar Wind and Coronal Mass Motions.

Radar observation of the Leonids in 1998 and 1999