Describes the planets and their life forms which make up the Star Wars galaxy.

They're like major planets, but not quite. They circle around the sun. They're round. But they haven't cleared everything out of their path. Explore these unusual objects in this book about the dwarf planets.

Presents facts about Jupiter and the outer planets and describes what it would be like to visit there.

Discusses the sun and the nine planets in our solar system. Provides a side bar with fun facts for each of them. Also contains a planet memory game and a resource page.

"Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he's alive--and even if he could get word out, his supplies would be gone long before a rescue could arrive. Chances are, though, he...

Mercurio, Venus, Tierra, Marte, Júpiter, Saturno, Urano y Neptuno son los ocho planetas que giran alrededor del Sol. Unos viajan rápidamente y otros lentamente. ¿Qué más tienen de especial estos objetos del espacio?

The astronomer who inadvertently triggered the "demotion" of Pluto in his effort to officially recognize the solar system's tenth planet describes the ensuing debates and public outcry while revealing the behind-the-scenes story of his discovery.

Simple text and illustrations describe the planets of the Earth's solar system.

"It has been fifty-six hard years since the events of The Machine Crusade. Following the death of Serena Butler, the Synchronized Worlds and Unallied Planets are liberated one by one, and at long last, the human worlds begin to hope that the end of the centuries-long conflict is finally in sight. Unfortunately, Omnius has one last, deadly card to play. Virulent plagues are let loose throughout the galaxy, decimating the populations of whole planets...and...