A description of Mercury, the closest planet to the Sun. The text discusses Mercury's distinguishing characteristics, its position in the solar system its composition and atmospheric conditions, its moons, and how scientists have learned about Mercury over time. Color photos and diagrams enhance understanding of the text.

שם הספר
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)