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Why isn't Pluto a planet? / Michael Portman.

by Portman, Michael, 1976-

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Gareth Stevens Pub., c2013.

Planets -- Juvenile literature.

Pluto (Dwarf planet) -- Juvenile literature.

Space mysteries.

Alternate title:

Why is not Pluto a planet

32 p. : ill. (chiefly col.) ; 22 cm.

Includes glossary.

Includes bibliographical references (p. 31) and index.

Nine minus one -- Planet X -- Ice world -- Measuring Pluto -- Tiny world -- That's odd -- The misfit -- Where did Pluto go? -- Pluto's neighborhood -- Big discovery -- Time to vote -- The dwarf planets -- New Horizons.

For many years, it was accepted as fact that our solar system had nine planets. However, one important meeting of astronomers in 2006 reduced that number to eight. They decided that Pluto was not a planet, a declaration that outraged some people. Readers will learn more about distant Pluto, such as how it was accidentally discovered. Brilliant photographs accompany the fascinating facts.

K-3 Medialog, Inc.

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