Referencias Astronómicas Generales:

• Princeton University Observatory and Library
• Astronomy HyperText Book
• The Galaxy Gallery: Messier Objects
• Astronomical Image Library
• Astronomy Picture of the Day Archive
• Home page of the Space Telescope Science Institute

• The World-Wide Web Virtual Library: Astronomy and Astrophysics
• Page of links compiled by the Planetary Society
• Comprehensive list of astronomy links sorted by category.
• Astrophysics in Cyberspace Lots of stuff about Mars, extrasolar planets, all kinds of goodies.
• Windows to the Universe

• NASA's home page
• The Planets Home page
• Solar System Home Page.
• NASA's Solar System photo album,
• The Comets Home page.
• Links to all things Martian.
• The Mars Pathfinder Home Page
• The Mars Global Surveyor Home Page
• Voyager's tour of the outer solar system.
• Galileo's mission to Jupiter
• Martian Meteorites and the search for life.

• Sky and Telescope.
• Astronomy
• Scientific American
• Doug Ingram has put together a list of recent Scientific American articles of use to astronomers.
• Science New