Comets

Planet's Orbits (for Windows 98/ME/2000/XP) is an accurate digital orrery with a wealth of functionality. The program uses the DE404 ephemeris (accurate for dates between 2000 B.C. and 6000 AD) for the calculation of planetary (except Pluto).

This is a festive screen saver with many options. This screen saver are present magic comets with colorful sparking tails.

Astronomy software, shows you the complete night sky (340,000 stars) and our solar system in a 3D orrery view with the planets, asteroids, and comets from any place at any time. Many animation options, printing.

30 Computer artwork images of deep space, alien worlds, stars, planets, black holes, comets, and wormholes.

Arkanoid? Pinball? Pong? No, it´s Ploing2! A unique and innovative mix of arcade classics in a fantastic 3D world. An astronaut has to push comets with his paddle to break bricks and bubbles and hit bells and bumpers in a strange universe

Live interactive physics simulations let you explore the Solar System (orbits, seasons, gravity, tides, comets and satellites), play snooker and experiment with Laws of Motion, bridge,crash,ideal gas,pendulum clock and siege engine simulations.

A full-fledged arcade-type computer game that's both fun and educational. It will teach you about relative note durations even as you play. With its 3 levels of difficulty and other options, it is suitable for players of all ages.

In the last ten years astronomers have discovered over 150 planets beyond our own solar system. Planet Quest is our artistic vision of what these worlds might look like, using the awesome power of your PC to create an infinity of stunning 3D Worlds.

MBSS Starfields offers the ability to define starfields, nebulas, northern lights, comets, plasma clouds, neon spark ribbons and more.

Challenge your logical skills with this space themed puzzle game. As fleet commander, guide your space fleet to the base. However the journey is filled with obstacles which you must overcome or even use to accomplish your mission.