Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
scientific theory
|
| gptkbp:category |
gptkb:astronomy
geology paleontology |
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:evidence |
gptkb:Chicxulub_crater
gptkb:iridium_anomaly |
| gptkbp:focusesOn |
gptkb:Cretaceous–Paleogene_extinction_event
|
| https://www.w3.org/2000/01/rdf-schema#label |
Alvarez hypothesis
|
| gptkbp:influenced |
impact hypothesis for mass extinctions
|
| gptkbp:opposedBy |
volcanism hypothesis
|
| gptkbp:proposedBy |
gptkb:Luis_Alvarez
gptkb:Walter_Alvarez |
| gptkbp:publishedIn |
gptkb:Science_(journal)
|
| gptkbp:relatedTo |
dinosaurs extinction
|
| gptkbp:requires |
mass extinction at the Cretaceous–Paleogene boundary was caused by a large asteroid impact
|
| gptkbp:status |
widely accepted
|
| gptkbp:yearProposed |
1980
|
| gptkbp:bfsParent |
gptkb:Walter_Alvarez
|
| gptkbp:bfsLayer |
5
|