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Learn about Earth's defense against potentially hazardous asteroids and comets in this comprehensive lecture by Dr. Paul Abell from the Lunar and Planetary Institute. Explore the science behind planetary defense strategies, including detection methods for near-Earth objects, impact risk assessment techniques, and mitigation approaches to protect our planet from cosmic threats. Discover how scientists monitor space for potentially dangerous objects, analyze their trajectories and composition, and develop technologies to deflect or destroy asteroids that could pose risks to Earth. Examine real-world case studies of asteroid discoveries, the international coordination required for planetary defense efforts, and the various mission concepts being developed to safeguard humanity from impact events. Gain insights into the current state of planetary defense capabilities, future technological developments in the field, and the ongoing research efforts to better understand and prepare for potential cosmic hazards.
