Selected Internet ResourcesAstronomical archivesADS CDS SIMBAD Vizier Extrasolar planets encyclopediaImage archivesESO Archives NASA Image Archiv Planetary Photo JournalAmateur Astronomer ResourcesGvA Hamburg Planetarium Hamburg Stellarium ESO Public Outreach Solar System Simulator Radio Galaxy Zoo: LOFAROrganisations/LibrariesAstronomische Gesellschaft International Astronomical Union(IAU) SUB Hamburg Bibliothek Fachbereich Physik ESO libraries Wolbach Library