Explain measurements and evidence indicating the age of the universe.
Earth and Space Sciences
Origin and Evolution of the Universe
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Identify a variety of instruments used to gather evidence about the universe.
Describe repeating patterns in the Sun- Earth-Moon system and the positions of stars.
Describe basic star types and identify the sun as a star type.
Describe how the planets change their position relative to the background of the stars.
Explain how gravity is the major force in the formation of the planets, stars, and the solar system.