Planetary Nebula Formation

PlanetFinder is an on-line learning module. It instructs students how astronomers fit model Doppler velocity curves to data representing extra-solar planetary systems. This module can be run from the University of Colorado servers, or downloaded, installed, and hosted on your local servers.

Terragen??a*zNz 2 is a powerful solution for rendering and animating realistic natural environments. Create entire worlds from your imagination, or import real world terrain datasets and use Terragen 2 to create the most realistic visualisations possible. You control the weather, landscape,...

The Diffusion Limited Aggregation in Continuous 2D Space Model simulates the formation of a cluster using a random-walk process called "diffusion limited aggregation" (DLA). The cluster formed by this process is an example of a fractal, and the simulation can be extended to calculate and analyze...


Platforms: Mac

The Kepler System model simulates Kepler's final theory of planetary motion. In this theory the planets orbit in ellipses with Sun at one focus (Kepler's First law). These elliptical orbits are not necessarily all in the same plane. A line from Sun to the planet sweeps out equal areas in equal...


Platforms: Mac

The Ejs Copernican System model illustrates Copernicus' system of planetary motions. The entire system is centered on the center of Earth's uniform, circular orbit. Sun is placed near, but not at, this center point. The orbit of each planet (other than Earth) consists of a deferent circle,...


Platforms: Mac

Spacejunk is a free and open source video game about traveling in 2D planetary systems. The player must collect garbage which is drifting in space by navigating through the gravitational fields of planets and stars. A rough editor of planetary systems is provided too.


Platforms: Mac

L'ASTROLOGUE is an astrological software, intended to compute, draw and interpret natal charts on the Macintosh. It has been developed on Macintosh because there was a lack of such programs on this platform. Planetary and houses positions are computed with great accuracy (less than two arc...


Platforms: Mac

JPL Planetary and Lunar Ephemeris DE423 for the jplephem package. This is the most recent short-period ephemeris published by the Jet Propulsion Laboratory. It achieves especially high accuracy for Mercury and Venus since it was prepared for the MESSENGER mission, and should be able to predict...


Platforms: *nix

Screensaver featuring 40 spectacular high resolution pictures from the Hubble Space Telescope from 2000-01. All pictures are the original press release pictures with the borders and text removed. These pictures feature stunning images of Nebulas, Galaxies, and Planets. Comes with a 10 day free...


Platforms: Windows

Screensaver featuring 45 spectacular high resolution pictures from the Hubble Space Telescope from 1998-99. All pictures are the original press release pictures with the borders and text removed. These pictures feature stunning images of Nebulas, Galaxies, and Planets. Comes with a 10 day free...


Platforms: Windows

Our new screensaver caters to many people's wishes to see a screensaver about space, the universe and the tiny role we play in it. Flying on the tones of beautiful theatrical music we leave earth and explore the outer reaches of space, science, fact and fiction ... Be amazed by the highly...


Platforms: Windows

Aqualines is an action packed yet thoughtful game. The game field resembles an aquarium containing coral and sea creatures. They move from the top to the bottom along the coral branches. You can alter the structure of coral to change the creatures&apos direction. Whenever 3 or more identical...


Platforms: Windows

Deep Space Fantasy Screen Saver contains 30 computer artwork images of deep space, alien worlds, stars, planets, black holes, comets, and wormholes. Sit back, relax, and take a tour


Platforms: Windows

For the pool and science enthusiasts among you: This screen saver has pool balls in constant motion in outer space. The continuous chaos of the collisions and interactions between the balls is mesmerizing! And what's more, among the numerous customizable settings is a fascinating FOUR...


Platforms: Windows

If you need sometimes to be aware of some word meaning then Artefact Dictionary is for you. Just select a word in the text you reading and you will get an explanation of this word in a small window which will appear under the selected word. Also you can hear the correct pronunciation of the word...


Platforms: Windows

MPj Astro is an easy to use planetarium type astronomy programme for Macintosh computers. It will display the positions of the stars, planets, comets, Sun and Moon for any location on earth from 2000 BC to the year 6000. Use MPj Astro to locate and identify objects in the sky, learn the...


Platforms: Mac

READWRITE KOREAN assists beginners in learning theK orean alphabet. Lessons include a structured introduction to each letter with examples of its pronunciation. Students can use the voice recording feature to compare their pronuciation with a native speaker's. The writing lessons use animation to...


Platforms: Windows

USM v.1.1b is a shareware soccer management game that allows you to take the role of a manager in one of your favourite teams. Decide the formation, buy and sell players, and start a glorious carrer as a coach! It has intuitive interface and it is really fast - even on old computers! thanks to...


Platforms: Windows

Space Journey 2 screensaver images transport you on a deep space voyage ending nearly a billion light years away. 21 exquisite, graceful and truly fantastic high resolution images selected from NASA's greatest images collection. From the birth of the stars to the collisions of entire galaxies....


Platforms: Windows

Space Journey 3 screensaver images transport you on a near space voyage just above the surface of our planet. Featuring 39 elegant, colorful and truly beautiful images of our planet selected from the Earth As Art* images collection. From glaciers to deltas, deserts, mountains and more, enjoy...


Platforms: Windows