General Utilities

• AstroWeb (NRAO, USA)
• Star*Heads WWW pages of individuals
• Google Maps
  • Earth
  • Moon
  • Mars
  • Sky
• Encyclopedia of Astronomy and Astrophysics
• Astronomical and Space Calendar - CalSKY (in German)
• Astro!nfo (in German)
• Astronomie Wissen (Andreas Müller; in German)
• German Astronomical Directory (GAD; in German)
• Universe Today
• Degree Resources: The Online Guide to Astronomy
• Univ. of Tennesee Astronomy Lectures
  • 161 The Solar System
  • 162 Stars, Galaxies, and Cosmology
• NSPIRES (NASA Solicitation and Proposal Integrated Review and Evaluation System)
• Windows to the Universe
  an interdisciplinary web site on the Earth and Space sciences
• WebStars: Astrophysics in Cyberspace provided by HEASARC
• International Earth Rotation and Reference Systems Service (IERS)
• The Planetary Society - Resources
• Tools
  • Fits-Liberator
    Software to read fits format files into PCs   (a project by ESO and NASA)
  • scisoft
    CDs with an collection of astronomical software (ESO);   (IRAF, MIDAS, IDL, ...)
  • PIMMS
    Determines source flux or count rates for high energy space missions
  • HEASOFT