Shares a collection of facts about Mercury including its location in the solar system, rate of orbit, and climate conditions. Includes a glossary, resources for further information, and color photographs.
Introduces the dwarf planet Pluto and other dwarf planets, describing Pluto's rotation around the sun, its atmosphere, moons, and the probe sent to study it, and the location of the other dwarf planets in the Kuiper Belt and the asteroid belt.