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The IAU Role

Published online by Cambridge University Press:  01 August 2006

Oddbjørn Engvold
Oddbjørn Engvold*
Affiliation:
Institute of Theoretical Astrophysics, University of Oslo, Oslo, Norway email: oengvold@astro.uio.no
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One knows currently close to 850 Near Earth Asteroids (NEAs) with diameters 1 km and larger, and one estimates that there may be of the order of 100 000 NEAs with diameters exceeding 140 m. Land and water impacts of NEAs with diameters between 100 m and 500 m will cause major damages.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S236: Near Earth Objects, our Celestial Neighbors: Opportunity and Risk , August 2006 , pp. 467 - 470
Copyright
Copyright © International Astronomical Union 2007