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Category -
Home & Hobby /
Astronomy
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A program to search for eclipses (lunar, solar, total, annular 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 four lunar calendars.
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Take a Virtual Tour of Mars-3D. 4GB on DVD... Better than books on Mars. Covers 3 years of the MER Spirit Mission. VRPresents hobby software for people interested in astronomy, cosmos, planets, solar system, space flights, stars. Similar to 3D games.
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View a dark energy inside Solar system on your dektop with this screensaver! This screensaver shows all planets of our solar system, uncluding Saturn's rings. It makes you able to know about dark matter and dark energy in our planet system.
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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.
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Gravity has raised many unanswered questions throughout the ages. It is a force that we are all accustomed to in our daily lives - and yet how much of the subject do we really understand?
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A program to convert between dates in various Chinese calendars and dates in the
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