• Solar System

• Small Solar System objects (asteroids, TNOs, NEOs, Comets)

• Nebular theory of Solar System formation

• Kepler's Laws

• Orbits

• Newton's Laws of Motion

• Gravity

• Comparative planetology

• Planetary geology

Suggested investigation which could come after this one:

Hazardous Asteroids helps students develop the practices and reasoning to predict whether a newly-discovered near-Earth asteroid is a potential threat to Earth. Students learn how repeated observations reduce uncertainty, and which factors can be used to predict the potential damage of an impact.