Extrasolar
Celestia v.1. 6. 2001
Welcome to Celestia ... The free space simulation that lets you explore our universe in three dimensions. Celestia runs on Windows, Linux, and Mac OS X.
Orbit Xplorer v.2. 2. 2001
Educational orbit and gravitation simulator for high school, college and beginning university physics and astronomy. Input mass, radius, coordinates and velocity components of 2 to 10 bodies manually or by dragging and dropping predefined bodies.
MPL3D Solar System - Starfield Tech v.1.0
This demo will take a random trip around 10,000 stars of our galaxy, so it will be different each time you run it. Trips will orbit stars at a 5 light years of distance from them, increasing then to 100 light years away from them.
SETI@Home v.4.5.122.0
SETI@home is a scientific experiment that uses Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI).