Download or read book Trayectoria de choque: Los asteroides y la Tierra (Collision Course: Asteroids and Earth) written by John Nelson and published by The Rosen Publishing Group, Inc. This book was released on 2009-01-30 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes, in graphic novel format, asteroids, the effects of a large asteroid colliding with Earth, and what can be done to prevent such an event.