If you haven’t run into Orbiter before, here’s the description from their FAQ: Orbiter is a real-time 3D space flight simulator for the Windows PC. The concept is similar to traditional flight ...
First launching into orbit in 2015, Kerbal Space Program is a space flight simulator like no other. Don't be fooled by the adorable Kerbals you control; the spacecraft you construct and operate ...
Mission accomplished. A simulated mission, that is. The multiple-hour simulation on Dec. 5, 2024 matched up both Sierra Space and NASA Johnson Space Center controllers, said Jerry Jason, Dream Chaser ...