Computer Science – Databases
Scientific paper
Jan 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005hia....13..772h&link_type=abstract
In: Highlights of Astronomy, Vol. 13, as presented at the XXVth General Assembly of the IAU - 2003 [Sydney, Australia, 13 - 26 J
Computer Science
Databases
Databases, Near-Earth Objects
Scientific paper
Collisions of asteroids and comets with Earth have occurred in the past. About 150 impact structures on the Earth's continents have been identified. There may be many more impacts whose structures have eroded over time. Asteroids and comets still collide with the planets and will again colldie with the Earth. These are random events. No asteroid is now known to be on a collision course with the Earth and we do not know when the next catastrophic impact might occur. Many parameters are needed to develop credible mitigation or collision avoidance strategies. We know little about geophysical properties of NEOs. Here we report on progress on the database for geophysical and geological properties of NEOs and their analog materials. The database consists of four parts: An observational database a material properties database a database for mission and instrument development and a database useful for dissemination of projects and results and for public outreach.
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