Celestia is a free piece of space simulation software which allows you to seamlessly explore the solar system … the galaxy and BEYOND!! Celestia’s development has been ongoing since 2001 and it has become immense with data added from the latest space missions and terrestrial telescopes. The Celestia software is open source and although it comes with a large catalogue of celestial objects built-in, you can download and install add-ons like Kuiper Belt Objects, comets and spacecraft (both real and…
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