Incoming Resources
- Impact!, asteroids and the science of saving the world, Elizabeth Rusch ; photos by Karin Anderson
- The lonely existence of asteroids and comets, by Mark Weakland ; illustrated by Carlos Aón
- Day the dinosaurs died., produced by WGBH ; written, produced and directed by Sarah Holt, Widescreen
- Asteroids, comets, and meteors, Mary-Jane Wilkins
- Comets, asteroids, and meteors, by Robin Birch