Explores the relationship between the Sun and the smaller celestial bodies including asteroids, meteorites, and comets, and examines their role in the solar system.
Featuring full-color photographs, fact boxes, and graphic organizers, this book theorizes that a space object was responsible for the extinction of the dinosaurs 65 million years ago and explores whether such an event could threaten life on Earth again.
Discusses the characteristics of comets, meteors, and asteroids, their relationship to and effects on the earth, and what they reveal about the history of the universe.
Describes dwarf planets and other celestial bodies within the solar system, including asteroids, comets, and meteors, and discusses the nature of the solar system and how and why satellites move in orbit.
Discusses comets, asteroids, and meteors, including how and where they are formed in space, what scientists are doing to study and track them, and what danger these doomsday rocks are to Earth.
Investigates the science of killer asteroids, one of which is believed to have crashed into Earth sixty-five million years ago, resulting in the extinction of the dinosaurs, and discusses the chances and implications of another such collision.