. . "Asteriods Collision with Earth" . . "Asteriods Collision with Earth." . "Meteorit." . . . . . . . . . . . . . . . . . "Profiles the smaller, free-ranging bodies that circle the Sun, providing information on their origins, make-up, and the threat they pose to Earth."@en . . "Popular works"@en . . "Comets, meteors and asteroids" . . "Comets, meteors and asteroids"@en . . . . "Planetoid." . . "Komet." . .