Cosmic Collisions: Asteroid vs. Comet

What happens when two massive hunks of hurtling space debris slam into each other? Welcome to round one in the Cosmic Collisions series—an exciting children’s debut from an expert astrophysicist.

There’s a comet speeding in from the outer solar system, and it’s about to slam into an asteroid. Who will be left standing after this interplanetary smackdown? The pockmarked asteroid, a veteran fighter who’s already seen some action? Or the dazzling comet, with its incredible velocity and a tail ...