TL:DR; Aciqra is a free and open source virtual planetarium and sky mapping program which tracks celestial bodies including planets, deep sky objects and stars.
Aciqra is a free and open source virtual planetarium and sky mapping program which tracks celestial bodies including planets, deep sky objects and stars to an accuracy of a fraction of a degree for thousands of years into both the future and the past.
View a dark energy inside Solar system on your dektop with this screensaver! This screensaver shows all planets of our solar system, uncluding Saturn`s rings. It makes you able to know about dark matter and dark energy in our planet system.
Astro-Mania is an educational game covering the Universe. It has eight levels and let's you choose what subject area you want to cover. Its great pictures and ease of use makes it not only educational but also fun.
Patent Bar Simulator - USPTO Registration Examination Practice Simulation Software. Nine Complete Actual Exams with Explanations updated to reflect the changes to the law and the rules brought about by the American Inventor's Protection Act of 1999.