Planet's Visibility 2.0

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Orbit Xplorer Educational orbit and gravitation simulator for high school, college and beginning university physics and astronomy. Easily create, run, print and save a simulation. Includes 29 premade simulations with activities page in html-format.

Lunar Calendars and Eclipse Finder A program to search for eclipses (lunar, solar, total, annual and umbral), to calculate the phase of the Moon at any given date and time and to convert between dates in the Gregorian and Julian calendars and dates in various lunar calendars.

Moon Phase Calculator Moon Phase Calculator is simple and easy to use tool that allows you to calculate the phase of the Moon for any time in the past or future and to search for the next or previous full moon, new moon or first or last quarter.

Astronomy Stuff Watch Nasa TV including live space shuttle launches and space walks plus all the Sky at Night programs from December 2001 over the internet plus view live solar images and get ISS and satellite pass predictions for your location.

VRMars-Spirit DVD for people interested in astronomy, cosmos, planets... Walk in the Virtual Reality of Mars, watch it from a human perspective with the aid of VRPresents technology. It covers over 3 years of NASA's successful martian mission of the Spirit rover.