Next play the simulation for a few seconds until you have trails of reasonable length, it should look like a bunch of winding linesįiddle with the camera controls so that the trails are now parralel with the vertical direction. 216 km/s is a good approximate for the orbital speed of the sun around the galaxyĭelete the dust in the simulation as it does not move, it is unaffected by balance selected. play again and you will see that all bodies are in their original orbit around the sun, only just moving at 216 km/s in one direction. You can simply fire the earth straight at the ecliptic, at the sun, and then play for a few 24-hour-time-steps, don't worry about hitting anything, the earth will be moving too fast I noticed that the balance selected tool could be used to put all objects in motion, by firing an object in the opposite direction, and then balancing it.Īfter a bit of experimentation, i determined that firing the earth at 240 light speeds will get the sun and all its orbiting bodies headed in one direction at 216 km/s. i did this without editing any file manually, so it may not be completely accurate. Well i have managed to put the solar system in a near circular orbit around the milky way galaxy, attached in post. I'm sorry the file format doesn't support this automatically. Let me know if you want to take on this project and have questions. If someone can do this then upload the 'fixed' objects.xml file I can post the final ubox file (or you can use the file tools to edit the ubox file and replace the fixed objects.xml file). What someone needs to do is open the objects.xml file and add the Sun's velocity values to the velocities for each body other than the milky way. I created and attached my work in progress saved simulation file. This could be fixed with a simple code fix, however I'm at home for the holidays and don't have access to my main development machine. I tried editing the ubox file, but the planet's orbits aren't being updated. The "Powers of 10" simulation has the solar system in our galaxy, but it's not in orbit around the galaxy. If you want maybe a few photos or videos, you can show your son some gameplay on both and see which one he likes.See this post for the an improved simulation of this: You can even experiment with black holes. You can heat planets up, change their speed. Space engine you can explore different planets and see what happens, My opinion? Universe sandbox is your go to if your son wants to experiment, You can even give the moon a ring like saturn. You can't exactly make the planets clash like Universe Sandbox. Space Engine is more like a simulation of the universe. However it only require a gigabyte of storage, if your downloading from steam that is. While this may seem fun, it does lag and take up alot of graphics. In Universe sandbox, one of the first tutorials is seeing how andromeda galaxy collides with the milky way. If you want an interactive version of space where you can see what would happen if earth orbited mercury, or if halleys comet were to hit a planet like jupiter, or even see what would happen if centauri B was the sun of our solar system, Universe sandbox is your go to.
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