NASA and the asteroids

This story is at www.jpl.nasa.gov/news/news.php?release=2013-179&cid=release_2013-179 … the WISE mission is still coming up with information and in this study of the data there was an attempt to understand the family relationships of the asteroids in the belt between Mars and Jupiter. Not sure if they achieved that but the belt is the source of Near Earth Objects, composed of outgassed comets as well as asteroids, and comprising some 600,000 objects out there any of which could be redirected on a collision course with the Earth. So, an important subject – see also www.nasa.gov/wise