Space mysteries

Explores Pluto, how it was accidentally discovered, facts about it, and the decision that removed it as a planet in our solar system.

Examines the planet Mars and the possibility that it had once supported life, and shows how scientists have been studying the planet.

Presents various theories about the moon's origin, information about gravity, tides, and the astronauts' exploration of the Moon between 1969 and 1972, and includes Moon facts and a glossary.

Examines the planet Mars and the possibility that it had once supported life, and shows how scientists have been studying the planet.

Describes what asteroids are, how an asteroid may have destroyed dinosaurs sixty-five million years ago, recent impacts, how scientists think that an asteroid could be bumped off course to protect Earth, and more.

Looks at the fate of satellites sent to space.

Intoduces young readers to what stars are made of.

Introduces young readers to the moon.

Introduces young readers to how one could travel to Mars.

Introduces young readers to the universe.