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Tom Gehrels
Using a Nuclear Explosive Device for Planetary Defense Against an Incoming Asteroid
Planetary Defense: Near-Earth Objects, Nuclear Weapons, and International Law James A
The National Aeronautics and Space Administration Planetary Astronomy Program
Asteroids and Comets: U.S
Near-Earth Objects, Nuclear Weapons, and International Law
Appendix 1 1311 Discoverers in Alphabetical Order
The Comet's Tale
Colliding Worlds: Asteroid Research and the Legitimisation of War in Space
Appendix 1 897 Discoverers in Alphabetical Order
Gerard Peter Kuiper
The Comet's Tale
The Palomar-Leiden Survey of Faint Minor Planets: Conclusion
The Comets of 1991
Collisions with Comets and Asteroids the Chances of a Celestial Body Colliding with the Earth Are Small, but the Consequences Would Be Catastrophic
NEAR EARTH ASTEROIDS (Neas) a CHRONOLOGY of MILESTONES 1800 - 2200
Planetary Defense: Catastrophic Health Insurance for Planet Earth
Oral Histories in Meteoritics and Planetary Science – Xxxx: Dale
The Comet's Tale
Top View
Of Truth and Consequences Diarist and Concentration-Camp Victim
The Lincoln Near-Earth Asteroid Research (LINEAR) Program the Lincoln Near-Earth Asteroid Research (LINEAR) Program Grant H
Project Number: MH0410 HUMANITY in SPACE An
Catalogue of Minor Planet Names and Discovery Circumstances
ISU Team Project
Critical System Engineering Analysis For
Dudley Holdings Arranged by Main Entry 12/23/03 Deutsche Akademie
Dust Coma of Comet C/2009 P1 (Garradd) by Imaging Polarimetry
Protecting the Earth Against Collisions with Asteroids and Comet Nuclei
The Comet's Tale
Introduction