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