This book presents information on the planets, Uranus and Neptune, describing their discovery, location, weather, and physical characteristics.

Includes index and glossary.

Which are the Outer Planets? -- Where in the sky are the Outer Planets? -- How were the Outer Planets discovered? -- How were the Dwarf Planets discovered? -- Are the Outer Planets all the same? -- How big are the Outer Planets? -- How's the weather on the Outer Planets? -- Is there air on the Outer Planets? -- What would I see if I went to the Outer Planets? -- What's inside the Outer Planets? -- Could I ever go to the Outer Planets? Fact file.