Celestia you want to see for yourself what the world beyond Earth looks like? Deep Space Simulator gives you that chance. This is no ordinary game, more like a cosmic window in your pocket. Here, you can travel freely between the stars. From the familiar planets of our solar system to distant star clusters and galaxies, huge databases are waiting for you to discover. The game uses accurate calculations to show the position and trajectory of celestial bodies in real time. Whether you want to see Jupiter at this moment or the starry sky after a thousand years, you can be satisfied. It's like a powerful planetarium. You can set yourself up to stand on the moon and look up at Earth, or land on the surface of Mars. Turn on the accessibility function and you can clearly identify the constellations and planets. Interested in a celestial body? For example, Jupiter and its many moons, zoom in and zoom in, the details are all in front of you. Even better, the universe can continue to expand. There are countless player-made extensions, such as newly discovered comets, clearer Earth textures, and even models of satellites and spacecraft flying on realistic trajectories. If you are a science fiction fan, you can also find some famous starships and planets that are only found in movies. Install these expansion packs and your journey to explore the universe will be more colorful.