Added simulation grid.

Major update: revamped visuals of entire system. I now have more experience in this and using that to polish this system.

Improved terrain.

Updated lighting in line with other simulations.

Updated description and starting position.

Vertically centred text on thumbnail.

Added icons for the number of stars (1) and planets (1) in the system

Made border slightly thicker on thumbnail

Changed thumbnail—returned to more minimalist design so as to better showcase background.

Updated thumbnail.