"Astronomy compels the soul to look upwards and
leads us from this world to another." - Plato
Celestial Mechanics
Eric Weisstein's Treasure Trove of Astronomy
How to Compute Planetary Positions
JPL Planetary Export Ephemeris Site
Standards Of Fundamental Astronomy (SOFA) - Home Page
Chandra X-ray Observatory Center (CXC)
Welcome to the Chandra Xray Observatory Center!!!
Chandra X-ray Observatory News
Discussion Groups
ASTRONOMY: This is a discussion list for Ametuers and Professionals
AstroPlace, The Place for Astronomy on the WWW
The Pittsfield Astronomy Club on the WEB
Observatories and Facilities
Griffith Observatory Home Page
Mt. Wilson 150-ft Solar Tower Current Towercam Image
Serveur de l'Observatoire de la Cote d'Azur
National Optical Astronomy Observatories
National Radio Astronomy Observatory Home PagePage
National Space Sciences Data Center (NDSSC)
Palomar Observatory - Observers' Site
Palomar Observatory - Public Site
The Royal Observatory Greenwich
Smithsonian Astrophysical Observatory
Space Telescope Science Institute Home Page
United States Naval Observatory (USNO)
Pictures and Animations
Astronomical Pictures & Animations
Welcome to Astronomy In Your Face
Lunar Orbiter Photographic Atlas of the Moon
Planetary Photojournal: NASA's Image Access Home
Solar System Visualization Home Page
Tour the Cosmos with Marc Steiner
Planetary Astronomy
The Department of Planetary Sciences/Lunar and Planetary Laboratory
Lunar and Planetary Institute (LPI) Home Page
NASA Planetary Science Research Discoveries
Planetary Image Research Laboratory (28-May-1998)
Planetary Sciences at the NSSDC
The Planetary Web at University College London
Professional Societies
American Astronomical Society Home Page
American Astronomical Society Education Office Home Page
Division for Planetary Sciences of the American Astronomical Society
American Astronomical Society Division on Dynamical Astronomy
The High Energy Astrophysics Division of the AAS
The Astronomical Society of the Pacific
Association of Lunar & Planetary Observers
Association of Lunar & Planetary Observers Computing Section
The International Astronomical Union
Publications
Celestial Mechanics and Dynamical Astronomy
Full-texts of Astronomical Publications
NASA Technical Report Server (NTRS)
Sky and Telescope Magazine -- Home Page
Resources on the Web
The Astrobiology Web | Your Online Guide to the Living Universe
Astronomy and Astrophysics Section of the Physics Dept.
A Guide to Astronomy Resources and Organizations
AstroWeb (NRAO): Astronomy/Astrophysics on the Internet
AstroWeb (STScI): Astronomical Internet Resources
Cosmobrain Astronomy and Astrophysics
Fundamental Physical Constants from NIST
Hansen Planetarium's Space News and Images Site
MarsNews.com - NewsWire for the New Frontier
NASA Astronomical Data Center Home Page
The NASA Astrophysics Data System Home Page
National Space Sciences Data Center (NDSSC)
Ned Wright's Cosmology Tutorial
PhysLINK.com - Physics, Science, Engineering Reference, Resource and Education
Science@NASA - NASA Space Science News
Science, Physics, Relativity, Faq's and Feedback
StarChild: A Learning Center for Young Astronomers
The WWW Virtual Library: Astronomy and Astrophysics
Think Mars - A Business Concept for the Manned Exploration of Mars
Universe Today - Home Page: Space Exploration News from Around the Internet
Software
Andromeda Software, Inc. Home Page
Approximate Astronomical Positions (UK)
Approximate Astronomical Positions (USA Mirror)
Astronomer's Computer Companion
Astronomy and Numerical Software Source Codes
Dan's Astronomy Software Collection
Dave Ransom Software Home Pages
The IDL Astronomy User's Library
JSky: Building a Library of Reusable Java Components for Astronomy
Maris Multimedia Product - RedShift 3
Maris Multimedia Product - Solar System Explorer
Orrery : Solar System Simulator
Piranha Interactive - Planetary Missions
SETI@home: Search for Extraterrestrial Intelligence at Home
Sky and Telescope -- Astronomical Software
Standards Of Fundamental Astronomy (SOFA) - Home Page
Starry Night - The Realistic Astronomy Software
Starry Night SETI Plug-in Support
SWIFT, Solar System Integration Package
Urania V2.1 - Astronomy with a Great Calculator
XEphem: The Astronomy Software for UNIX and Linux
Solar System Dynamics
Near Earth Object Dynamics Site
Space Telescope Institute
Hubble Space Telescope Public Pictures
Space Telescope Science Institute Home Page
Space Telescope Science Institute Library
Time Resources
NIST Time and Frequency Division Home Page
USNO: Time Services Department
SETI@home: Search for Extraterrestrial Intelligence at Home
Think Mars - A Business Concept for the Manned Exploration of Mars