Astronomy software

• The SkyMap Home Page - a free planetarium program
• The Eclipse Page - a free eclipse program

Some other astronomy links ...

• Astronomy clubs near Philadelphia
  • Bucks-Mont Astronomical Association
  • Lehigh Valley Amateur Astronomical Society
  • Delaware Valley Amateur Astronomical Society

• Other organizations
  • The Astronomical League
  • International Dark-Sky Association
  • SETI@home
  • WHYY - TV 12 and 91 FM

Ancient Greek ...

• "Key to the 'First Greek Book'" by John Williams White, 1897 (PDF)