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