Steve Kortenkamp

"A brief description of planets, including what they are, where they are, and how they orbit around the sun"--Provided by publisher.

"Describes the dwarf planet Pluto and the 2006 decision to change its status from a regular planet"--

"Describes the five dwarf planets in our solar system, including the birth of the solar system and the dwarf planets' orbits around the Sun"--Provided by publisher.

"Discusses information about space stations within recent years as well as the future of space stations"--Provided by publisher.

"Discusses information about spacecraft within recent years as well as the future of spacecraft"--Provided by publisher.