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