Chinese Calendrics 6.89

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. Can list anniversaries of Chinese lunar dates such as birthdays. Supports 60-year, 60-month and 60-day cycles, includes Chinese names, and allows searching for dates and times of full moons, dark moons, solar terms, equinoxes, solstices and more.

See also: chinese, calendar, date, year, astronomy, software, moon, calendrics, lunar, solar, term, julian, dark, solstice, times, month, gregorian, cycles, leap, equinoxes, equinox, delta t, calculation, converter, astronomical, calculator, phase, zhong qi, solar

StarStrider 2.8

StarStrider is a software planetarium that utilizes the latest in 3D-technology in order to show you not only the planets and satellites of our solar system, but also the more than 100 000 stars , all in real-time 3D. You'll also find galaxies, nebulae, supernova remnants, and the band of the Milky Way. StarStrider combines photo realism and scientific accuracy with plain fun and beautiful vistas! Optional add-on with 2 million stars!

See also: astronomy, planetarium, star, map, 3d, planets, sky, trek, education, science, astrovarium, time, relativistic, doppler, software

Gravity 1

How fast does gravity travel? What is it about mass that causes the force to exist? Is gravity a particle? 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? This gravity calculating tool is designed to help determine the force that should exist between two objects containing mass.

See also: force, mass, science, gravity

Lunar Calendars and Eclipse Finder 6.09

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 various lunar calendars (Goddess, Meyer-Palmen and Liberalia Triday).

See also: Solilunar Calendar, Liberalia Triday Calendar, Goddess Lunar Calendar, conversion, calculation, calculator, calendar, date, annular, solar, Sun, eclipse, phase, lunar, Moon, Julian Calendar, Gregorian Calendar, Julian day number, astronomy