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Celestia: visualize the Milky Way on your PC
Celestia is open-source software (under the GNU GPL license) for real-time 3D simulation of space, which is not limited to Earth but to the entire Milky Way. Programmed in OpenGL (100,000 lin...
Celestia is indeed an open-source project, licensed under the GNU General Public License (GPL). Its developers have done an impressive job of creating a comprehensive and accurate simulation of the Milky Way galaxy, leveraging NASA data to ensure its authenticity.