Astronomy Picture of the Day - Impact: 65 Million Years Ago
Computer rendering of Chicxulub crater, from gravity and magnetic field data.
Astronomy Picture of the Day - Manicouagan Impact Crater on Earth
Image taken from space shuttle Columbia in 1983.
Astronomy Picture of the Day - Barringer Crater on Earth
Aerial photograph.
Solar System Collisions
Online calculator for effects of asteroid impact.
Geology 376 - 2001 Field Trip
Travelogue of a geology class field trip to the Barringer meteor crater. Images, crater description, topographic map.
Reuben Johnson's K/T Expedition -- 2001
Background info on the Chicxulub impact crater at the K/T (Cretaceous/Tertiary) boundary with photos of the 2001 NASA/Planetary Society expedition to Belize and Mexico to study and gather ejecta samples.
Impact Craters on Earth
Map of crater locations in Canada, crater images, explanation and images of rock altered by impact.
Three Craters in Israel
Investigates the possibility they have been caused by comet fragments.
Chicxulub Scientific Drilling Program
Multinational program to obtain and study core samples.
Impact Structures
Geology, geophysics, and petrology of impact structures (meteorite impact craters) with special focus on the Azuara and Rubielos de la Cérida impact structures (Spain)
A 'Smoking Gun' for Dinosaur Extinction
NASA JPL article on the Chicxulub crater. An image from the Shuttle Radar Topography Mission shows an elevation feature of the crater. The article gives background information and interpretation of the image.
Traces of Catastrophe
Online book. Detailed introduction and overview of impact processes, crater formation, and shock metamorphism.
Terrestrial Impact Craters
Text describing formation of impact craters. Images, glossary.
Terrestrial Impact Cratering and Its Environmental Effects
World map of impact sites, details on the Chicxulub site, and details on environmental effects of impacts.
Impact Parameters
Online calculator for cratering effects of hypothetical asteroid impacts.
Crater
A program that relates crater size to projectile size.
Meteor Crater
Official site for the visitors center at the Barringer meteor crater. Short history, animations, visitor information.
Meteor Crater
Images and short explanations of geologic features near the rim of the Barringer meteor crater.
Why are impact craters always round?
The answer given in an article from Scientific American.
Terrestrial Impact Craters
Background information, images, list of craters, references.
Earth Impact Database
Crater names, location, size, and age. Background information, images, FAQ.
Terrestrial Impact Investigations
Images and descriptions of craters in Africa, research activities of the terrestrial impact cratering research group of the University of the Witwatersrand.
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