Defenders of the Earth; Stopping Asteroid Strikes  

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Jenis: Article from Bulletin/Magazine
Dalam koleksi: The Economist (http://search.proquest.com/) vol. 407 no. 8842 (Jun. 2013), page 72.
Topik: Government Agencies; Asteroids; Comets; Surveillance; Information Systems

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Perpustakaan Pusat (Semanggi) Nomor Panggil: EE29 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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On June 24th NASA, America's space agency, announced it had discovered the 10,000th Near Earth Object (NEO), the rather dry name given to asteroids and comets that orbit the sun in the vicinity of Earth and which might, therefore, one day smash into it. Ten thousand potentially dangerous objects sounds a lot, but NASA reckons there could be ten times as many still waiting to be found. A week earlier, on June 18th, the agency therefore launched a Grand Challenge intended to recruit and co-ordinate help from industry, academia and anyone else who is interested for a project to detect any asteroid that could threaten Earth. All ideas are welcome.

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