Archivos bibliográficos

• The Smithsonian/NASA Astrophysics Data System (ADS)
• astro-ph Preprint Database
• Institute of Physics eprintweb
• Citebase
• Scientific Commons
• High-Energy Physics Literature Database
• Science Advisor
• A Knowledgebase for Extragalactic Astronomy and Cosmology (LEVEL 5)
• Google Scholar

Bases de datos multifrecuencia

• Centre de Données astronomiques de Strasbourg (CDS)
• SIMBAD Astronomical Database
• The Aladin Sky Atlas
• NASA/IPAC Extragalactic Database (NED)
• Leicester Database and Archive Service (LEDAS)
• The High Energy Astrophysics Science Archive Research Center (HEASARC)
• NASA/IPAC Infrared Science Archive (IRSA)
• The Multimission Archive at STScI (MAST)
• Legacy Archive for Microwave Background Data Analysis (LAMBDA)

Catálogos / surveys

• VizieR Catalogue Service
• HST Archive
• Sloan Digital Sky Survey (SDSS)
• SDSS DR6 Finding Chart Tool
• Digitized Sky Survey (DSS)
• The Two Micron All Sky Survey at IPAC (2MASS)
• Deep Near Infrared Survey of the Southern Sky (DENIS)
• The NRAO VLA Sky Survey (NVSS)
• The VLA FIRST Survey (FIRST)
• The VLA Low-frequency Sky Survey (VLSS)
• The HI Parkes All-Sky Survey (HIPASS)
• NASA/IPAC Extragalactic Database of Distances
• High-z Molecular Line Observations
• High-z CO Database

Otros

• Astronomy / Astrophysics on the Internet (AstroWeb)
• HubbleSite
• Job Register - The Key To Astronomy Employment