adds counter to getNextPlanet
fixes radius of ships
adds getNextStar fct to SpaceVisualizer
addds rotation to stars and planets
adds reset to ships counter
slows speed of planets
fixes speed of ships
adds counter to getNextPlanet
fixes radius of ships
adds getNextStar fct to SpaceVisualizer
addds rotation to stars and planets
adds reset to ships counter
slows speed of planets
merges rotation to master branch