Astronomy

• Foto do dia
• NASA
• Centro Astrofisica Universidade do Porto
• Instituto Astrofisico Canarias
• Instituto Astronomia - Mexico
• Documentação Astrored
• International Meteor Organization
• Observatorio Astronomico Agache
• Harvard-Smithsonian Center for Astrophysics (CfA)
• Departamento de Astronomia da Universidade de Toronto
• AstroWeb
• German Astronomical Directory
• Loch Ness Productions Planetarium Compendium
• Stars Family of Astronomy Resources
• WebStars - (NASA)
• WWW Virtual Library: Astronomy & Astrophysics
• Yahoo! - Astronomia
• Central Bureau for Astronomical Telegrams (CBAT)
• Information Bulletin on Variable Stars
• American Astronomical Society (AAS)
• American Meteor Society
• Instituto de Astrofísica de Canarias
• Berkeley Illinois Maryland Association (BIMA)
• Brown University Planetary Geology
• Meteorites and Impacts Advisory Committee (MIAC) to the Canadian Space Agency
• Canadian Institute for Advanced Research - Institut canadien de recherches avancés
• British Astronomical Association Campaign for Dark Skies
• High Energy Astrophysics Science Archive Research Center (HEASARC)
• Center for Advanced Space Studies (CASS) da Universities Space Research Association (USRA) (Houston, Texas,EUA)
• Lunar and Planetary Laboratory da Universidade do Arizona (Tucson, Arizona, EUA)
• Naval Center for Space Technology do Naval Research Laboratory (NRL)
• SETI Institute
• As ultimas observações do Hubble - Space Telescope Science Institute (STSI)
• Universidade do Alabama - Departamento de Física e Astronomia
• Uppsala Astronomical Observatory
• U.S. Naval Observatory
• American Association of Variable Star Observers (AAVSO)
• American Lunar Society
• Association of Lunar & Planetary Observers
• Galilean Satellite Eclipse Timings
• IOTA Asteroid Occultation Section
• Visual Satellite Observers
• VSNET -- Variable Stars, Novae, and Supernovae
• Astra's Star Gate
• Aurora Page
• Astronomy and Astromicroscopy
• NASA's Comet Observation Page
• Mr. Galaxy's Supernovae
• NASA solar-eclipse bulletins
• Rawhide Space Page

• Solar System Tour
• Reading the Skies
• Estrelas e Constelações
• American Astronomical Society Teacher Resource Agent Program
• Astronomiae Historia - História da Astronomia
• Astronomical Society of the Pacific (ASP)
• Astronomy in Japan
• Bob Moler's "Ephemeris" Radio Show
• Careers in Astronomy
• Challenger Center for Space Science Education
• Euro Space Center (Bélgica)
• Jack Horkheimer: The Star Hustler
• International Dark-Sky Association(IDA)
• Live from the Hubble Space Telescope
• Live from Mars
• NASA Teacher Resource Centers
• NASA's K-12 Internet Initiative
• National Space Society (NSS)
• SETI League
• Star Watch UK: Survey of Sky Brightness
• U.S. Space Camp/U.S. Space & Rocket Center

• AstroImage
• Starchart Map Server
• Astronomical Data Center (ADC)
• Astrophysical Data System (ADS)
• Canada Astronomical Data Center (CADC)
• NASA/IPAC Extragalactic Database (NED)
• National Space Science Data Center (NSSDC)
• NGC/IC Project
• Planetary Data System (PDS)
• Strasbourg Astronomical Data Center
• U.S. Naval Observatory's Astronomical Applications Department

• Regulus!
• The Astrograph
• Astronomy Now
• Astrophysical Journal
• Icarus
• Journal of the British Astronomical Association
• The Planetarian - Journal of the International Planetarium Society.
• Space News
• StarDate On Line
• The Astronomer
• Meteorite!