AstroGrav is astronomy software that allows you to simulate how astronomical objects move and interact under the force of gravity. It features superb interactive 3D graphics which allow you to move around within a many-body astronomical system, while watching how it evolves with the passage of time. A wide variety of sample files are provided, and comprehensive editing facilities allow you to create and modify your own astronomical systems.

educational, astrophysics, gravitational slingshot, physics, science, newton, orbit, astro, planetary motion, many body, exploration, animated, n body

Personal Helper is a Personal utility software.You can use its mini notes just like using the notebook on your table.You even can customize the windows taskbar clock.Synchronized with the astronomical time

phelper, synchronized, time, notes, clock, astronomical, alam, taskbar

Using the same standards of accuracy as published tables but with a catalogue extending beyond Barnard`s Star; it can be used to combine multiple sights, a definative astronomical reference or simply to print daily Nautical Almanac pages.

sextant, stars, almanac, astronomy, nautical, navigation, voyage plan, astronomical, celestial, eclipses

astronomical years counting; displays time of rise, transit and set of the Sun, the Moon and Planets; displays dates of equinoxes and solstices; displays dates and types of solar and lunar eclipses; displays horizontal coordinates of the Sun, the Moon and Planets; allows to save calendar and the list of holidays to HTML document; allows to saves the list of astronomical events to HTML or CSV document. Most of the astronomical calculations use algorithms

gregorian, slavic aryan, indian, hebrew, moslem, julian, past, leap, millennia, islamic, ancient, jewish, khayam

astronomical data for each city; sunrise, sunset, moon rise and set, moon phase, etc. All of these things are beautifully, graphically displayed. You can set the program to display data for a specific time. ActiveEarth can even keep your PC`s clock synchronized to an atomic time server. You can track important future events with countdown clocks! ActiveEarth allows you to countdown to future astronomical events and to specify your own custom events

astronomical, clock, atomic time, screen saver, globe

astronomical data; sunrise, sunset, moon rise and set, moon phase, etc. All are beautifully, graphically displayed. You can even set the program to display data for a specific time. You can track important future events with countdown clocks! ActiveEarth allows you to countdown to future astronomical events and to specify your own custom events. The program can play an alarm with sounds, MP3, or even video clips to help you remember and celebrate

world time, astronomical, clock, weather, screen saver, globe