Today we're talking about the formation of planets. Small objects are attracted to larger objects by gravity, so why didn't the solar system collapse into one large star?

(0:00) Introduction
(0:50) The simulation
(1:21) Rule 1: Velocity is change in position
(1:37) Rule 2: Gravity creates acceleration
(2:12) Rule 3: Objects are sticky
(2:37) Rule 4: Acceleration is change in velocity
(3:00) Simulation 1
(3:40) Simulation 2
(5:02) Comparison
(5:44) Conclusion
(7:01) Outro