Open AccessComet Causes Extinction
Author(s) -
Athel Glyde Unklesbay
Publication year - 1989
Publication title -
journal of geological education
Language(s) - Uncategorized
Resource type - Journals
ISSN - 0022-1368
DOI - 10.5408/0022-1368-37.2.128
Subject(s) - comet , astrobiology , collision , breccia , extraterrestrial life , extinction (optical mineralogy) , extinction event , earth (classical element) , geology , earth science , debris , astronomy , physics , paleontology , computer science , oceanography , computer security , sociology , biological dispersal , population , demography