Useful Links
- Horizons Online ephemeris for
planning solar system observations.
- Planetary Data System Archived data from
NASA's solar system missions.
- PDS rings node tools
Extremely useful tools for planning planetary observations.
- NAIF Data Navigation and
Ancillary Information Facility data and toolkits. Used for storing spacecraft
navigation and pointing information.
- JPL SSD Solar System Dynamics provides
physical information about solar system bodies.
- Planetary Photojournal
The place for pictures.
- Planetary Fact Sheets
Tables of numbers about the planets.
- ADS Astrophysical
Data System abstract search. Find that paper you're looking for.
- Math World All the math
stuff you used to have to look up in books.
- Science WorldWolfram's Science
Reference Site
- NIST Physical
Reference Data Atomic and molecular data from the National Institute of
Standards and Technology
- UMIST database Rate coefficient database for
reactions of astrochemical significance.
- Physical Constants The
basic numbers of the universe.