Double asteroid trouble may have wiped out dinosaurs (The asteroid theory of dinosaur extinction gets a new twist as scientists look into what may have been a twin asteroid impact) by Amanda Kooser Feb. 4, 2013 http://news.cnet.com/8301-17938_105-57567486-1/double-asteroid-trouble-may-have-wiped-out-dinosaurs/
Dinosaur-killing asteroid was a twin terror by Colin Barras, New Scientist, February 2013 http://www.newscientist.com/article/dn23126-dinosaurkilling-asteroid-was-a-twin-terror.html Research group suggests Chicxulub crater may have been caused by binary asteroids, Phys.org, Feb. 2013 http://phys.org/news/2013-02-group-chicxulub-crater-binary-asteroids.html The paper is: Miljkovic, K., G. S. Collins, S. Mannick, P. A. Bland, 2013, Morphology and population of binary asteroid impact craters. Earth and Planetary Science Letters. vol. 363, pp. 121–132. dx.doi.org/10.1016/j.epsl.2012.12.033 http://www.sciencedirect.com/science/article/pii/S0012821X12007194 A related paper is: Bottke, H. J., and H. J. Melosh, 1996, Binary Asteroids and the Formation of Doublet Craters. Icaerus. vol. 124, pp. 372–391. PDF file at: http://www.boulder.swri.edu/~bottke/Reprints/Bottke_Binary_Icarus_1996.pdf Yours, Paul H. ______________________________________________ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
