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