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The ABCs of NEOs: Meteoroids, asteroids and comets
(The Planetary Society, Pasadena, CA)
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Asteroid 1997 XF11 (Earth Close-Approach)
(Jet Propulsion Laboratory, California Institute of Technology, National Aeronautics and Space Administration, Pasadena, CA 91109)
- Asteroid
close-encounter in 2028
(Jet Propulsion Laboratory, California Institute of Technology,
National Aeronautics and Space, Administration, Pasadena, CA
91109)
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Asteroid and Comet Impact Hazards - FAQs About NEO Impacts
(NASA, Ames Research Center, Moffett Field, CA)
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Asteroid Comet Impact Hazards: Introduction
(NASA, Ames Research Center, Moffett Field, CA)
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Asteroid and Comet Impact Hazards - NASA NEO Program Office
(NASA, Ames Research Center, Moffett Field, CA)
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Canadian robotic asteroid flyby and tentatively impact (CRAFTI)
(Space Flight Laboratory, University of Toronto Institute for
Aerospace Studies, 4925 Dufferin Street, Toronto, Ontario, Canada)
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Comets, meteors and asteroids
(Cornell Univ., Ithaca, NY)
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Cosmic Earth Impacts
(NASA Headquarters, History Office, Washington, DC)
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Current Impact Risks
(Jet Propulsion Laboratory, California Institute of Technology, National Aeronautics and Space Administration, Pasadena, CA 91109)
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Frequently asked questions - Planetary defense, near earth
objects and space debris
(IPS Radio and Space Services, Post Office Box 1386, Haymarket
NSW Australia 1240, Australia)
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Meteorites and their properties
(University of Arizona, Tucson, AZ)
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Minor objects in the solar system
(NASA Headquarters, Washington, DC 20546)
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NASA fact sheet: Asteroids, comets, and NASA research
(NASA, Ames Research Center, Moffett Field, CA)
- Near-Earth
Asteroid Tracking Home Page
(Jet Propulsion Laboratory, Pasadena, CA)
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Near-Earth Asteroid Tracking: Asteroid Population
(Jet Propulsion Laboratory, Pasadena, CA)
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Near-Earth Asteroid Tracking: General Information
(Jet Propulsion Laboratory, Pasadena, CA)
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Near-Earth Asteroid Tracking: Questions and Answers
(Jet Propulsion Laboratory, Pasadena, CA)
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Near-earth objects
(Jet Propulsion Laboratory, California Institute of Technology, National Aeronautics and Space Administration, Pasadena, CA 91109)
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Near Earth Object Program - Orbit Diagrams
(Jet Propulsion Laboratory, California Institute of Technology, National Aeronautics and Space Administration, Pasadena, CA 91109)
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Near Earth Object Program - Images
(Jet Propulsion Laboratory, California Institute of Technology, National Aeronautics and Space Administration, Pasadena, CA 91109)
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Near Earth Object Program - Study to Determine the Feasibility of Extending the Search for Near-Earth Objects to Smaller Limiting Diameters
(Jet Propulsion Laboratory, California Institute of Technology, National Aeronautics and Space Administration, Pasadena, CA 91109)
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NEO Earth Close Approaches
(Jet Propulsion Laboratory, California Institute of Technology, National Aeronautics and Space Administration, Pasadena, CA 91109)
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Research: Will Earth Collide with Asteroids, Meteors or Comets
(NASA Headquarters, Washington, DC 20546)
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Small bodies - 433 Eros
(University of Arizona, Tucson, AZ)
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Small bodies - Asteroids
(University of Arizona, Tucson, AZ)
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Small bodies - Meteors, meteorites and impacts
(University of Arizona, Tucson, AZ)
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