Universe Sandbox is described as 'interactive space simulator for Windows based PCs' and is an app in the Education & Reference category. There are more than 10 alternatives to Universe Sandbox for a variety of platforms, including Windows, Linux, Mac, Online / Web-based and PortableApps.com. The best alternative is Celestia, which is both free and Open Source. Other great apps like Universe Sandbox are Space Engine (Paid), Cosmonium (Free, Open Source), Kerbal Space Program (Paid) and Pioneer (Free, Open Source).
Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.
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Celestia vs Universe Sandbox opinions
Some users think Celestia is a great alternative to Universe Sandbox, some don't.
it just shows the universe but can not minipulate it
Negative comment • about 1 year ago
You cannot do anything with Celestia like you can with Universe Sandbox.
Space Engine - a real-time 3D space simulator, procedural universe generator and visualiser. It lets you explore the universe in three dimensions, starting from planet Earth to the most distant galaxies.
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Most users think Space Engine is a great alternative to Universe Sandbox.
Mitaka is software for visualizing the known Universe with up-to-date observational data and theoretical models. Mitaka users can seamlessly navigate through space, from the Earth to the edges of the known Universe.
The Digital Universe Atlas incorporates data from dozens of organizations worldwide to create the most complete and accurate 3-D atlas of the Universe from the local solar neighbourhood out to the edge of the observable Universe.
Systems Tool Kit (STK) is a platform for analyzing and visualizing complex systems in the context of your mission. Interact with data from platforms across the aerospace, defense, telecommunications, and other industries.