Pulsar Accretion discs Hydrodynamics Galaxies jets Gravitation Cosmology observations X-rays general Gravitational lensing weak Galaxies photometry Astrophysics - Astrophysics of Galaxies ISM clouds Galaxies active Methods observational Astrophysics Sensitivity Pulsars general Methods numerical Observatory Radio continuum galaxies Techniques photometric Gamma rays galaxies Stars evolution Waves Surveys Accretion disks Cosmological model ISM general X-rays galaxies clusters Dark energy Radiative transfer ISM structure GLAST Galaxies dwarf Magnetohydrodynamics MHD Gamma ray emission Methods statistical Stars protostars Binaries general Stars oscillations ISM supernova remnants Dust Instabilities Infrared ISM Techniques image processing Submillimeter galaxies MHD Supernova Shock waves Submillimeter ISM Galaxy Astrophysics Galaxies starburst Galaxies structure Galaxies high-redshift Galaxies evolution Acceleration of particles Stars interiors Gamma ray burst Extinction Cherenkov Telescope Array ISM jets and outflows Gravitational waves Large-scale structure of Universe Spectral Radiation mechanisms non-thermal Polarization Stars rotation Stars neutron Infrared galaxies Accretion Structure HII regions Black hole physics Gamma rays general Asteroseismology Turbulence Galaxies ISM Galaxies clusters general Infrared stars Dark matter Cosmic background radiation Galaxies clusters intracluster medium Cosmological parameters Gamma-ray burst general Stars formation Stars massive Supernovae general Protoplanetary disks X-rays binaries Cosmic rays Cosmology Gamma ray Catalogs Galaxies formation ISM kinematics and dynamics Magellanic Clouds Galaxies star formation Galaxies interactions ISM molecules Methods data analysis Galaxy