Rev. ed of: Neptune and Pluto. Chicago : World Book, c2006.

Includes bibliographical references and index.

Where is Neptune? -- How big is Neptune? -- What does Neptune look like? -- What makes up Neptune? -- What is Neptune's atmosphere like? -- What is the weather on Neptune? -- How does Neptune compare with earth? -- What are the orbit and rotation of Neptune like? -- What makes up Neptune's rings? -- How many moons does Neptune have? -- What is unusual about Neptune's moon Triton? -- How did Neptune get its name? -- What space missions have visited Neptune? -- Could there be life on Neptune or its moons? -- Distant dwarf planets -- What are the distant dwarf planets? -- Where are the distant dwarf planets? -- What makes up the distant dwarf planets? -- How big are the distant dwarf planets? -- What does Pluto look like? -- What are the orbit and rotation of Pluto like? -- How many moons does Pluto have? -- Who discovered Pluto? -- Is there a space mission planned to visit Pluto? -- What does Xena look like? -- What are the orbit and rotation of Xena like? -- How many moons does Xena have? -- Who discovered Xena? -- Could there be other dwarf planets out there? -- Fun facts about Neptune and the distant dwarf planets.