CA.PS. Focus on Physical Sciences
Earth in the Solar System (Earth Science)
PS.4. The structure and composition of the universe can be learned from studying stars and galaxies and their evolution. As a basis for understanding this concept:
PS.4.a. Students know galaxies are clusters of billions of stars and may have different shapes.
PS.4.b. Students know that the Sun is one of many stars in the Milky Way galaxy and that stars may differ in size, temperature, and color.
PS.4.d. Students know that stars are the source of light for all bright objects in outer space and that the Moon and planets shine by reflected sunlight, not by their own light.