Comet showers as a cause of mass extinctions
Nature
By: Piet Hut, Walter Alvarez, William P. Elder, Thor Hansen, Erle G. Kauffman, Gerta Keller, Eugene Merle Shoemaker, and Paul R. Weissman
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Abstract
If at least some mass extinctions are caused by impacts, why do they extend over intervals of one to three million years and have a partly stepwise character? The solution may be provided by multiple cometary impacts. Astronomical, geological and palaeontological evidence is consistent with a causal connection between comet showers, clusters of impact events and stepwise mass extinctions, but it is too early to tell how pervasive this relationship may be.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Comet showers as a cause of mass extinctions |
| Series title | Nature |
| DOI | 10.1038/329118a0 |
| Volume | 329 |
| Year Published | 1987 |
| Language | English |
| Publisher | Nature Publishing Group |
| Description | 9 p. |
| First page | 118 |
| Last page | 126 |
| Other Geospatial | Earth |