This license is commonly used for video games and it allows users to download and play the game for free. There are many different open source licenses but they all must comply with the Open Source Definition - in brief: the software can be freely used, modified and shared.

Programs released under this license can be used at no cost for both personal and commercial purposes. Open Source software is software with source code that anyone can inspect, modify or enhance. Freeware products can be used free of charge for both personal and professional (commercial use). Add your own deep sky objects, landscapes, constellation images, scripts.Īlso Available: Download Stellarium for Mac and Stellarium Portableįreeware programs can be downloaded used free of charge and without any time limitations.Ability to add new solar system objects from online resources.Plugin system adding artificial satellites, ocular simulation, telescope configuration and more.Skinnable landscapes, now with spheric panorama projection.All new graphical interface and extensive keyboard control.Spheric mirror projection for your own low-cost dome.The fisheye projection for planetarium domes.Very realistic atmosphere, sunrise, and sunset.Images of nebulae (full Messier catalog).Constellations for twelve different cultures.Asterisms and illustrations of the constellations.Extra catalogs with more than 210 million stars.It is being used in planetarium projectors. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars, or a telescope. Stellarium is a free open source planetarium for your computer.

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