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Asteroid Models
描述: Research in determining asteroid shapes through photometric data and multiple data sources. Reference documents, introduction, links.
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World history of astronomy and timekeeping with updates, and origins, based on original sources and places where possible.
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Eric Weisstein's World of Science
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Graphs and animations showing major asteroid groups and families.
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National Space Science Data Center (NSSDC) Home Page
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Devoted to the study of polyclad flatworms (Phylum Platyhelminthes, Class Turbellaria, Order Polycladida), a group of large, free-living marine Platyhelminthes ...
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Watch full episodes of your favorite PBS shows, explore music and the arts, find in-depth news analysis, and more. Home to Antiques Roadshow, Frontline, NOVA, PBS ...
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Yale University comprises three major academic components: Yale College (the undergraduate program), the Graduate School of Arts and Sciences, and the professional ...
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Strona Obserwatorium Astronomicznego UAM w Poznaniu
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