Download software tagged by astronomical

A software program that allows you to study how astronomical objects move and interact under the force of gravity. It features superb interactive 3D graphics which allow you to move around within an astronomical system, while watching how it evolves.

Greek Orthodox Calendar that shows every day name days, detailed religious and historical information and lots of astronomical data. Can also add your own dates, countdowns, print calendars, sync your contacts in Outlook and Windows Mail plus more.

The Galaxy. Great "cosmic island" containing about two hundred billion stars and nebulaes. This screensaver is an attempt to simulate such fantastic space scene with maximum realism using modern 3D technologies & latest astronomical knowledges.

A program to convert between dates in various Chinese calendars and dates in the Gregorian and Julian calendars, and to find lunar new year's day and leap months for any year in the Chinese Calendar.

ActiveEarth is a world time clock with a gorgeous day/night merge of NASA's earth images. It has accurate time zone data for every country, global current conditions and forecasts, countdown clocks, scalable analog clocks, screen saver, and more!

Experience complete astronomy with a real-time sky, comprehensive reports, arcsecond accuracy, and exciting events such as animation and live orbit-tracking. Sky Quiz and two encyclopedic reference sources are interactively linked to the sky display

Experience accessible astronomy with a real-time sky, comprehensive reports, arcsecond accuracy, and exciting events such as animation and live tracking.

Universal unit converter and dictionary with a database that contain over 1000 units. From Biblical to Astronomical. User defined simple and compound units.

Universal unit converter and dictionary with a database that contain over 1000 units. From Biblical to Astronomical. User defined simple and compound units.