"Asteroids come in all shapes and sizes--and hit our planet in them, too. But what happens if a catastrophically large one approaches earth? By looking on the ground at historical asteroid craters and present-day falls, and up into space for the big ones yet to come, a wide variety of scientists are trying to figure out how to track asteroids--and how to avoid devastating impacts in the future."--

Looks at different types of space objects, what happens when they collide with the Earth, and how scientists keep track of objects in space to determine which ones might hit the Earth.

Exactly 100 facts accompanied by photographs and detailed artwork reveal fascinating information about the Earth. Throughout there are quizzes and activities, plus fun facts and color cartoons.

Budding LEGO builders will be inspired to create incredible things as they take a tour of planet Earth, where they will see amazing planets, animals and geological features without leaving home.

"With all its variety, expanse and wonder, discover how much there is to love about Our Blue Planet. Our oceans are home to the greatest diversity of life on Earth and cover 71 percent of the planet. With so much to discover, this book introduces creatures beyond imagination." --