Do you fancy a tour of the Solar System, see images of Nebulae, the Milky Way, Planets and their satellites with illustrations, all from the comfort of your desktop? Then try Stellarium, a free open-source planetarium app that renders 3D photo-realistic skies in real-time. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope.
Install Steps:
</p> <p style="text-align: justify;"><code>$ sudo add-apt-repository ppa:stellarium/stellarium-releases</code></p> <p style="text-align: justify;"><code>$ sudo apt-get update</code></p> <p style="text-align: justify;"><code>$ sudo apt-get install stellarium</code></p> <p style="text-align: justify;">