Blast off on a space adventure! NASA photographs allow readers to see the beauty of each planet and sun, plus solare system diagrams help students visualize the planet's space in space.

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Solar system
Earth's Core and Mantle: Heavy Metal, Moving Rock (Earth's Spheres)
The Atmosphere: Planetary Heat Engine (Earth's Spheres)
Stars (Early Bird Astronomy)
The Milky Way (Early Bird Astronomy)