• Winchester Star Article
• Astronomical Links
• MicroObservatory (Online Observatory)
• Monthly Observatory Nights (Harvard/Smithsonian CfA)
• Digitized Sky Survey (National Geographic-Palomar Sky Survey)
• Space Telescope Science Institute (Hubble Telescope)
• AXAF Science Center (Chandra X-ray Observatory Center)
• Harvard-Smithsonian Center for Astrophysics (CfA)
• The Astrophysical Journal
• Astronomical Applications (Department of the U.S. Naval Observatory)
• Mount Wilson Observatory
• The Spacewatch Project (Comet and Asteroids)
• NASA's Learning Center (High Energy Astrophysics)
• X-ray Astronomy
• NASA's Educational Resources in Astronomy on the World Wide Web
• Pasachoff On-Line
• Sky Links (Sky & Telescope's Links)
• On-line Handbook of Space Astronomy and Astrophysics
• The Nine Planets
• Astronomical Images (Anglo-Australian Observatory)
• Eclipse Home Page
• Sky and Telescope
• Sky & Telescope's Meteor Page
• Astronomy On-line (European Southern Observatory)
• Basic Astronomical Data
• Stanford Solar Center
• Day and night regions; interactive orrery
• ExInEd (Exploration In Education; Space Telescope Science Institute)
• Lecture Notes (by Nick Strobel of Bakersfield College)
• Moon Phase Calculator
• Amateur Telescope Makers of Boston
• The Planetary Society
• The American Meteor Society
• UC Santa Barbara Astrophysics Project
• GSFC's Astronomical Data Center (CDC)
• Centre de Donnees Astronomiques de Strasbourg (CDS)
• Lockheed Martin Solar and Astrophysics Laboratory
• Calculate Sunrise & Sunset
• Astronomical Calculations
• Local Times Around the World
• Ask the Space Scientist
• Space Science News (NASA)
• NASA's Observatorium
• Astronomical Society of the Pacific (ASP)
• Mercury Magazine (ASP)
• Internet Resources: Astronomy, Astrophysics & Space Science (Univ. College London)
• Skywatching Center (Tonight's Sky)
• Heavens-Above (Satellite and astronomical information)
• Virtual Astronomy Text
• Physlink (Physics & Astronomy)
• Eric Weisstein's Treasure Trove of Astrophysics
• Eric Weisstein's Treasure Trove of Astronomy
• HyperPhysics Astrophysics
• Martindale's Calculator's On-Line Center