Rain Of Iron And Ice: The Very Real Threat Of Comet And Asteroid Bombardment (Helix books)

John S. Lewis, A Planetary Scientist, Details The Recent Scientific Study Which Suggests That Massive Solid Bodies From Space Pose A Very Real Threat To Our Planet And Explores The Implications For The Future Of Life On Earth. 1. Stones That Fall From The Sky -- 2. Target: Earth -- 3. Stealth Weapons From Space -- 4. Brighter Than A Thousand Suns -- 5. The Space Age: The Cratered Planets -- 6. Near-earth Objects -- 7. The Bashful Face Of Mars -- 8. Ends Of Geological Ages -- 9. Earth's Twin -- 10. You Found What On Mercury?? -- 11. Comet And Asteroid Families -- 12. Craters In The Ocean Don't Last -- 13. Effects On Human Populations -- 14. The Fiery Rain: Simulations By Computer -- 15. What Can We Do About It? John S. Lewis. Includes Bibliographical References And Index.