411 REFERENCE · Wiktionary
Alvarez theory
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named after Luis and Walter Alvarez, who suggested it in 1980.
Proper noun
1
The hypothesis that the mass extinction of the non-avian dinosaurs and many other living things during the Cretaceous–Paleogene extinction event was caused by the impact of a large asteroid on the Earth.
en eponyms