"Asteroids." . . "JUVENILE NONFICTION / Science & Nature / Astronomy." . . "Comets." . . "Meteorites." . . . . "Asteroids, space junk, and more" . "Electronic books" . "Electronic books"@en . . . . . . . "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." . . . "Exploring dangers in space : asteroids, space junk, and more" . . . . "Exploring dangers in space asteroids, space junk, and more" . "Exploring dangers in space asteroids, space junk, and more"@en . . . . . . . . . "Juvenile works" . . . "All about the things in space that pose potential dangers for space travel: asteroids, comets, space junk, and more." . . . . . . . "Have objects from space ever hit Earth' Yes! Every day small meteoroids crash into the atmosphere. Some burn up, but some hit the ground. Space junk also falls to Earth. Comets and asteroids struck Earth long ago. In this book, you'll learn how scientists watch out for large collisions and what they might do if Earth is in danger. As part of the Searchlight Books collection, this series explores outer space and sheds light on the question What's Amazing about Space' Fantastic photos, kid-friendly explanations of science concepts, and useful diagrams will help you discover the answers!"@en . "Meteors." . . "Space debris." . . "JUVENILE NONFICTION / General" . .