Aciqra is a free and open source virtual planetarium and sky mapping program which tracks celestial bodies including planets, deep sky objects and stars.
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Educational orbit and gravitation simulator for high school, college and beginning university physics and astronomy. Easily create, run, print and save a simulation. Includes 29 premade simulations with activities page in html-format.
Downloads: 37178 - Shareware - Download Now
Complete 2011 Nautical Almanac in pdf format. Includes monthly star charts with the planet's positions.
Downloads: 73159 - Freeware - Download Now
Complete 2014 Nautical Almanac in pdf format complete with monthly star charts. Includes Parallax corrections for the planets which are not normally available.
Downloads: 51744 - Freeware - Download Now
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.
Downloads: 36736 - Freeware - Download Now