And to be honest, screenshots don't do justice to it. You have freedom of either using free mode, starship or an aircraft. You can either orbit a star or a planet, land on it and watch the time lapse of day and night cycles by speeding up time. You can even reverse time if you wish. You can just click on any point you see in the background and travel to everyone one of them up close and personal.
This simulator has been around for a long time, and has been worked on by just a single guy. As always, fans of astronomy will understand what I'm getting at. Its that close to reality portrayal of our universe which got so many hooked to this.
What good is a story here, when all you need is to travel and explore.