X-rays galaxies clusters Galaxies active Galaxies starburst Dust Galaxies distances and redshifts Planetary systems Galaxies star formation Instrumentation high angular resolution Infrared ISM ADAPTIVE OPTICS Galaxies stellar content Catalogs Intergalactic medium Submillimeter ISM Extinction Radiative transfer Dark energy Gravitational lensing strong Astrophysics - Astrophysics of Galaxies Surveys Galaxies spiral Galaxies luminosity function Galaxies high-redshift Comets Adaptive optics Galaxies clusters individual Virgo Adaptive Optics Telescopes Techniques photometric Planets and satellites atmospheres Methods data analysis ISM clouds Individual Supernovae general CD Galaxies dwarf Cosmic background radiation Methods statistical Galaxies fundamental parameters Comets general Cosmology Observations Galaxies structure Astrophysics - Solar and Stellar Astrophysics Galaxies groups general Techniques high angular resolution Galaxies Evolution Techniques image processing Methods numerical Galaxies kinematics and dynamics Astrophysics - Cosmology and Nongalactic Astrophysics Radio continuum galaxies Galaxies clusters general H II regions Planets and satellites detection Star formation Quasars absorption lines Galaxies photometry Galaxies Galaxies formation Galaxies interactions Quasars general OPTIQUE ADAPTATIVE Galaxies statistics Astrophysics - Instrumentation and Methods for Astrophysics Stars fundamental parameters Ultraviolet galaxies Stars formation Gravitational lensing weak Methods observational Galaxy evolution Cosmology Photometry Protoplanetary disks Galaxies haloes Neutrino detector ANTARES Galaxies general Minor planets Techniques radial velocities Galaxies abundances Exoplanets Techniques polarimetric Large-scale structure of Universe Astrophysics Cosmology observations Dark matter Instrumentation adaptive optics Galaxies ISM 67P/Churyumov-Gerasimenko Gravitational lensing Techniques spectroscopic Mass function Cosmological parameters Infrared galaxies Spectroscopy Submillimeter galaxies ISM molecules Astrophysics - Earth and Planetary Astrophysics Data analysis Galaxies evolution