i had an idea for some new celestial bodies.onyx planet - dark glass, population live underground increasing planet health, lack of anything on the planet but onyx reduces culture spread and incomeneutron star - dramatically increased gravity well and reduced ship speedsupernova - slightly bigger gravity well, slight damage to ships over timetwin stars - two stars orbiting eachother closely, no statistical difference from regular stars, just for visual effectjust wanted to ask, where is the planet making tutorial you were talking about?