A description of Mercury, the closest planet to the Sun. The text discusses Mercury's distinguishing characteristics, its position in the solar system its composition and atmospheric conditions, its moons, and how scientists have learned about Mercury over time. Color photos and diagrams enhance understanding of the text. ...

This lively and informative book offers beginning readers a simple introduction to the Milky Way. ...

Blast off on a space adventure! NASA photographs allow readers to see the beauty of each planet and sun, plus solare system diagrams help students visualize the planet's space in space....

Have you ever seen a shooting star? What you really saw was a meteor! A meteor is actually a chunk of metallic or stony matter - called a meteoroid - that enters the earth's atmosphere from outer space. A comet, on the other hand, is a lump of ice and dust that periodically comes into the center of the solar system from somewhere in its outer reaches. Learn more about meteors and comets in this lively and informative book! ...

There is no gravity in space. The North Star never changes its position in the sky. Earth's shadow causes the phases of the moon. You may have heard these common sayings or beliefs before. But are they really true? Can they be proven using science? Let's investigate seventeen statements about space and find out which ones are right, which ones are wrong, and which ones still stump scientists! Find out whether astronauts really landed on the moon! Discover whether it's true that the same side of the Moon is always dark! See if you can tell the difference between fact and fiction with Is That a Fact? ...

In this lively and informative book, beginning readers will be introduced to the physical characteristics of stars - as well as the major stars in our solar system. ...

Have you ever seen a shooting star? What you really saw was a meteor! A meteor is actually a chunk of metallic or stony matter - called a meteoroid - that enters the earth's atmosphere from outer space. A comet, on the other hand, is a lump of ice and dust that periodically comes into the center of the solar system from somewhere in its outer reaches. Learn more about meteors and comets in this lively and informative book! ...