Controls
- Scroll: Zoom
- Left click drag: Rotate
- Right click drag: Pan
- Space: Re-center camera on Sun
- Backspace: Reset camera to initial settings
- L: (L)ock camera on selected object
- U: (U)nlock camera
- Q: Decrease precision for selecting orbits
- E: Increase precision for selecting orbits
/
: Change simulation speed
/
: Set speed to real-time backward/forward 
: Reset to current time