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Astronomy

  • Moon Phase

    Moon Phase

    The moon has a powerful allure, it is full of beauty, legend, myth and romance. Anyone with an interest in the moon will find valuable information here.

  • Skyview Cafe

    Skyview Cafe

    Sky View Cafe is a Java applet that lets you use your web browser to see many types of astronomical information, in both graphical and numerical form.

  • Solar System Simulator

    Solar System Simulator

    The Solar System is made up of the Sun, the planets, their moons, asteroids and comets. Experience an amazing variety of worlds.

  • Space Weather

    Space Weather

    Sure, we have Earth weather, but what about Space weather? View real-time views of space weather and what you might see tonight.

  • Telescopes Observatories

    Telescopes Observatories

    Check our impressive list of telescopes and observatories with their descriptions and links to resources related to them.

Word of the Day
postliminy
  • In Roman antiquity, the return of a person who had been banished, or taken prisoner by an enemy, to his old condition and former privileges.
  • In international law, that right by virtue of which persons and things taken by an enemy in war are restored to their former status when coming again under the power of the nation to which they belonged.
The word 'postliminy' comes from a Latin word meaning 'threshold'.
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