Understand and describe the nebular theory concerning the formation of solar systems, including the roles of planetesimals and protoplanets.
- The Solar System
Our solar system is composed of a star, planets, moons, asteroids, comets, and residual material left from the evolution of the solar system over time. The sun is one of billions of stars residing in one of billions of galaxies in a universe that has been changing and evolving over vast amounts of time. As a basis for understanding this concept, students: