computer project
23. Write short notes on celestia and GNU cash. 1) Celestia Celestia is a freely-distributed, multi-platform, open source, software package which has become a valuable tool for astronomy education. It provides photo-realistic, real-time, three-dimensional viewing of the Solar System, the galaxy and the universe. It is used in homes, schools, museums and planetariums around the world. It also is used as a visualization tool by space mission designers. Celestia comes with a large catalog of stars, galaxies, planets, moons, asteroids, comets, and spacecraft. We can download dozens of easy to install add-ons with more objects. It also runs on various platforms such as Windows, Macintosh (Mac OS X) and Linux operating systems. Although it is optimized for 3D astronomical visualization, Celestia can be used to display and explore other 3D environments, too. And, for some reason, many people seem to find exploring ...