Nettsteder ligner Astroguard.Com
AstroGuard -- hazardous Comet/Asteroid news & information
Beskrivelse: AstroGuard -- dedicated to the preservation of life on Earth, through advance warning of asteroid or cometary impact
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språk: English
Sideemner: astronomy
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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A public program offered by the University of Arizona's Spacewatch Project. Volunteers review images to help find NEOs that the computers miss.
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A free encyclopedia built collaboratively using wiki software. (Creative Commons Attribution-ShareAlike License).
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NASA JPL asteroid research using radar. Introduction, scientific activity, asteroid images.
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Astronomy Group home page
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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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NASA NEO Program Office at JPL. Overview, press releases, FAQ, 3D orbit viewer. Research information and statistics, including risk calculations for possible ...
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