Celestia is a famous space simulation that’s been around for many years. It’s one of the best free tools available and it can be used by beginners and experts alike. Celestia always opens with a view of Earth, in real time. This is the most important aspect, the fact that it’s a real-time simulation. Everything orbits, moves, and happens in real time, with the benefit of being able to increase, decrease, and even go back in time. Users can also search for various objects, but they are also listed in the ascending order based on the distance from Earth. By default, Celestia only comes with a limited number of items, a few thousands, but it can be greatly enhanced with the help of add-ons. Well over 10 GB of extensions are available in addition to the base program, produced by an active user community. Right-clicking on an object (such as a planet) will bring up various options, while in the tool bar you can perform more complex tasks, such as searching for Bayer designations, taking videos, tracking objects and configuring options. Although all that sounds pretty normal, it is not as easy as it seems. Astronomy fans and those with a burning interest in our galaxy will surely make the effort that is needed to really get the most out of Celestia. The program definitely encourages serious dedication and obviously has been created by a person – Chris Laurel – who loves what he does. Celestia is meticulously researched and put together, and there is a multitude of extra resources on the website. Celestia is a great software application for AmigaOS4 and AmigaOne systems and really deserves a place in your software library.

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