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Asteroid Threat? The Problem of Planetary Defence
Authors:
Mark Bucknam - Mark Bucknam is the Deputy Director for Plans in the Policy Planning Office of the Office of the US Secretary of Defense. He is a Colonel in the US Air Force and holds a PhD in War Studies from King's College, University of London, as well as a BS in physics and an MS in materials science and engineering from Virginia Tech.; Robert Gold - Robert Gold is the Chief Technologist for the Space Department at the Applied Physics Laboratory of Johns Hopkins University. He was the Payload Manager for NASA's Near Earth Asteroid Rendezvous mission. He earned his PhD in physics from the University of Denver.
DOI:
10.1080/00396330802456502
Publication Frequency:
6 issues per year
Subjects:
Security Studies - Military & Strategic;
Security Studies - Pol & Intl Relns;
Strategic Studies;
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Abstract
The threat of collision from asteroids and comets calls for a three-step approach to mitigating the risks: first, find and track objects that are potentially hazardous to the Earth; second, study their characteristics so as to understand which mitigation schemes are likely to be effective; and third, test various deflection techniques to ascertain the best way to adjust the orbits of asteroids and comets, and possibly field a planetary-defence system. Each of these steps would benefit from international cooperation or agreement.
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