[1] https://www.youtube.com/watch?v=b9XhexlQMZw&t=4s
[2] SpaceEngine
[3] https://www.youtube.com/watch?v=6Bv8g5xBJSo&t=175s
0:00 — Introduction
0:15 — What is gravity?
1:30 — How does simulation work
2:35 — 2 body systems
5:03 — 3 body problem
7:33 — N-body simulation
9:59 — Rings formation
12:15 — Star systems formation
13:48 — Conclusion