Cosmonium Free 3D Astronomy and Space Exploration Software
Cosmonium is a free and open source 3D astronomy and space exploration software for Windows, Linux and MacOS. You can use this program to visit our solar system with all planets and their moons. You can also visit the neighboring stars, galaxy and the Universe.
It is also support Celestia addons. It is also provides HD and the UHD images via additional package download. It is written in python and and released under GPL-3.0 License. Some other similar type of applications are Winstars and Stellarium