"A child astronaut takes an imaginary trip to Neptune and the outer reaches of the solar system, learns about the harsh conditions on the planet, and decides that Earth is a good home after all. Includes solar system diagram, Neptune vs. Earth fact chart, and glossary"--Provided by publisher."A child astronaut takes an imaginary trip to Neptune and the outer reaches of the solar system, learns about the harsh conditions on the planet, and decides that Earth is a good home after all. Includes solar system diagram, Neptune vs. Earth fact chart, and glossary"--Provided by publisher.