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.
This captivating history is a presentation of Apollo 11's journey to the moon. Learn what daily life was like and how the astronauts survived the dangerous journey.
Presents information on moons, including their composition, orbits, types, reflection of the sun's light, and influence on tides. Includes an activity, a glossary, and a list of additional resources.
A tour of the solar system, explaining what it is, providing brief descriptions of the sun, planets, and moons, and discussing the discovery of other solar systems.
Examines the 12 most amazing facts about the first moon landing. Provides information about the event’s critical moments, key players, and lasting effects.
"A ... guide to natural satellites called moons, including how they interact with other elements in the universe and emphasizing how questions and observations can lead to discovery"--Provided by publisher.
Satellites are important parts of space exploration as well as everyday life on Earth. They’re used for telephone communications, military strategy, weather observation, and many other purposes. Readers learn about the many uses we have for satellites and how those have changed since the first satellites were launched. Through informative text and helpful fact boxes, readers also explore the history and importance of both the Hubble Space Telescope and the Kepler Space Observatory. Detailed photographs allow readers to see a variety of satellites up close to learn even more about these helpful space objects.