On the origin and acceleration of cosmic rays: Cooling flow clusters and AGN hosts
On the Origin of Cool Core Galaxy Clusters: Comparing X-Ray Observations with Numerical Simulations
On The Origin of Lyman-alpha Absorption in Nearby Starbursts and Implications for Other Galaxies
On the origin of M81 group extended dust emission
On the origin of radio-loudness in AGNs and its relationship with the properties of the central supermassive black hole
On the origin of the angular momentum properties of gas and dark matter in galactic halos and its implications
On the origin of the Cold Spot
On the Origin of the Galaxy Star-Formation-Rate Sequence: Evolution and Scatter
On the Origin of the High Column Density Turnover in the HI Column Density Distribution
On the origin of the red excess in very young super star clusters: the case of SBS 0335-052E
On the origin of the scatter around the Fundamental Plane: correlations with stellar population parameters
On the Origin of the Supergiant HI Shell and Putative Companion in NGC 6822
On the origin of X-shaped radio galaxies
On the Origins of the High-Latitude H-alpha Background
On the over-concentration problem of strong lensing clusters
On the oxygen and nitrogen chemical abundances and the evolution of the "green pea" galaxies
On the peculiar momentum of baryons after Reionization
On the Perturbative Stability of Quantum Field Theories in de Sitter Space
On the physical properties of z~6-8 galaxies
On the Populations of Radio Galaxies with Extended Morphology at z<0.3