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Published online 27 February 2008 | Nature | doi:10.1038/news.2008.626
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Can a spacecraft save Earth from an asteroid?
Winning mission proposes to track threat.
To hunt prey, one must first track it.
That’s the logic behind a competition on how best to hypothetically track Apophis, the 300-metre-wide asteroid that has a tiny chance of striking Earth in the year 2036.
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