Space simulation online has come a long way in two decades. I remember the very primitive sites in the late 90’s–attempts to render the real solar system as well as imagined ones. Fun to play with.
Michael Sadlon emailed me a link to his site’s Rosetta simulation. It’s one of the best places to experience a modern space mission as a probe is navigated past several stages to arrive at mission’s end. Great for interested students, amateur astronomers, or just the plain curious. The journey is fascinating as it unfolds. I notice it can be acquired as a tablet or surface ap.