Stellarium Portable is a pocket-sized free planetarium that will please all astronomy fans out there. And if not, it also works great as an entertainment for coffee break. While Stellarium Portable doesn't include highly-detailed imagery and makes traveling from one point to another a bit confusing sometimes, it's also a very interesting app – as long as you like astronomy. Stellarium Portable also lets you add extra information to the image, such as a grid with parallels and meridians, constellation art based on mythological figures and cardinal points, among others. Usually commercial software or games are produced for sale or to serve a commercial purpose.With Stellarium Portable you'll be able to look at the sky from any location in the World, which means you can check the different star constellations visible from different areas in the world. Even though, most trial software products are only time-limited some also have feature limitations. After that trial period (usually 15 to 90 days) the user can decide whether to buy the software or not. Trial software allows the user to evaluate the software for a limited amount of time. Demos are usually not time-limited (like Trial software) but the functionality is limited. In some cases, all the functionality is disabled until the license is purchased. Demoĭemo programs have a limited functionality for free, but charge for an advanced set of features or for the removal of advertisements from the program's interfaces. In some cases, ads may be show to the users. Basically, a product is offered Free to Play (Freemium) and the user can decide if he wants to pay the money (Premium) for additional features, services, virtual or physical goods that expand the functionality of the game. 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: Stellarium (32-bit), 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.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.
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