NGSS Disciplinary Core Ideas
Middle School Earth/Space Science: Earth and the Solar System
1) MS-ESS1.B.1:
The solar system consists of the sun and a collection of objects, including planets, their moons, and asteroids that are held in orbit around the sun by its gravitational pull on them.

Middle School Earth/Space Science: Earth and the Solar System
2) MS-ESS1.B.2
This model of the solar system can explain eclipses of the sun and the moon.
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