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Browse topic: (Science.gov home) > Astronomy and Space > Astronomy > Comets, Asteroids, and Meteors
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Asteroid Redirect Initiative - Ideas for how to capture an asteroid and send humans to asteroids. [National Aeronautics and Space Administration (NASA)]

Astrobiology Magazine - Information and discussion groups devoted to Extrasolar life; Extreme life; Life and Giant Planets; Mars Life; Meteors, Comets, and Asteroids; Missions; New Planets; Stellar Evolution; Terrestrial Climate History; Terrestrial Origins. [National Aeronautics and Space Administration (NASA), Ames Research Center (ARC)]

Astronomy -- Selected Internet Resources - Selected Internet Resources -- Astronomy. Science Reference Services; Science Reference Section; Library of Congress [U.S. Library of Congress (LOC)]

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Cosmology from Ancient Greece to Today - Webcast - Michelle Thaller, astrobiologist and assistant director for science communication at NASA Goddard Space Flight Center. According to Thaller, ancient Greeks had sophisticated, gear-controlled astronomical computers, which remained unrivaled in accuracy and complexity until the 18th century. With the advent of space-based observatories and supercomputers, the Earth’s position has been mapped relative to millions of other galaxies covering billions of light years. [U.S. Library of Congress (LOC)]

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NTRS (NASA Technical Reports Server) - Search for reports, journal articles, and conference proceedings [National Aeronautics and Space Administration (NASA)]

Near-Earth Object Program - Brings together relevant information on all aspects of comet and asteroid studies [National Aeronautics and Space Administration (NASA), Jet Propulsion Laboratory (JPL)]