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Commentary
Nature 453, 1178-1179 (26 June 2008) | doi:10.1038/4531178a; Published online 25 June 2008
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What Spaceguard did
Alan Harris1
- Alan Harris is a senior research scientist with the Space Science Institute, 4603 Orange Knoll Avenue, La Canada, California 91011-3364, USA.
Abstract
A survey of large objects near Earth has shown that there is little risk of a cataclysmic impact in the next century. Alan Harris asks if such cataloguing efforts should continue.
The sky isn't falling, but there are still good reasons for keeping an eye on it. In 1991, a NASA-sponsored international working group convened to develop a thorough survey of near-Earth objects (NEOs) — predominately asteroids with an orbit that brings them within 1.
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