"Asteroids Juvenile literature." . . "Comets." . . "Meteors." . . "Comets Juvenile literature." . . "Asteroids." . . . . . . . . "Juvenile works" . "Juvenile works"@en . . "Comets, asteroids, and meteors" . "Comets, asteroids, and meteors"@en . . . . . . . . . "Comets, Asteroids, and Meteors"@en . . . "Comets, asteroids and meteors"@en . . . . . . "Discusses comets, asteroids, and meteors, including what they are made of, where they come from, and why they need to be studied."@en . . "This book presents information on comets, asteroids, and meteors, describing their compositions and telling when they can be seen." . . . . . "Meteors Juvenile literature." . .