Interactive Simulator · How the Solar System Formed

Build the System

The Solar System began as a huge cloud of gas and dust. Gravity slowly pulled it together, it spun into a flat disc, the Sun lit up at the centre, and the leftover dust stuck together to build the planets. Step through the stages in order.

Mission Set the model to: the Sun forming at the centre. Round 1Streak 0Best 0
Compared with the target stage, you are:
stage number3
what is happeningSun forms
target stageSun forms
Nebula, then collapse, then a spinning disc, then the Sun, then accretion into planets.