Lecture 22: Meteorite Impacts: The Ultimate Hazard


Chapter 17, p.510-525


Lecture Materials

Powerpoint Lecture Notes [PDF]


Textbook figures shown during the lecture:

Figs. 17-1; 17-2; 17-5; 17-8; 17-10; 17-6; 17-7; 17-12; 17-11; 17-13; 17-15; 17-9


Additional figures not from the textbook:

The Chicxulub extinction-level event (artist's rendition) (Courtesy: Don Davis, artist)

The Solar System (Courtesy: The Nine (8) Planets)

Location of the Kuiper Belt Objects (Courtesy: harmsy.freeuk.com)

The Kuiper Belt

The Oort Cloud (Courtesy: NASA)

Meteor

Meteorite damage to a vehicle, New York

Meteorites in the recent news: Peru and Canada

Meteorites in the recent news: Serbia

Meteorites in the recent news: Colombia

Map of the Tunguska fireball event location, Siberia (1908)

Trees leveled by the Tunguska fireball blast, Siberia (1908)

Trees leveled by the Tunguska fireball blast

Cartoon of the Tunguska fireball explosion

News on 2010 study showing Tunguska fireball was a comet

Searching for meteorites in Antarctica

Meteorite recovered in the Arabian desert

Hoba meteorite, Namibia (largest ever recovered)

Southern Africa, with box showing region containing the Vredefort impact site (Courtesy: Google Maps)

Closer view of the Vredefort impact site (Courtesy: Google Maps)

Close-up of the Vredefort impact site (Courtesy: Google Maps)

Suspected site of a meteorite impact at Hudson Bay, Canada (Courtesy: Discovery News)

Discovery News Item on ancient meteorite impact at Hudson Bay (Courtesy: Discovery News)

Aorounga impact site, Chad (Courtesy: solarviews.com)

Kebira impact site, Egypt (Courtesy: space.com)

Suspected meteorite impact site at Upheaval Dome, Utah (Courtesy: Earth Impact Database, University of New Brunswick)

Suspected meteorite impact site at Upheaval Dome, Utah (Courtesy: remotesensingart.com)

Chesapeake Bay impact site, Virginia (Courtesy: USGS/Wikipedia)

Canyon Diablo meteorite fragment, Meteor Crater, Arizona (meteorite at Christchurch museum, New Zealand) (Photo by Simon Kattenhorn)

Pseudotachylyte formed at the Vredefort impact site, South Africa (Photo by Simon Kattenhorn)

These are impactiles, not coprolites!

Global consequence impact events: the big buh-bye

Local consequence impact event: Wolf Creek, Australia

Local consequence impact event: perspective scale in Manhattan

Global consequence impact event: asteroid

Global consequence impact event: comet (image by Don Dixon)

Book cover: End of Dinosaurs

Artist's rendition of the Chicxulub impact crater 65.5 million years ago

Geophysical imaging of the buried Chicxulub impact crater

Artist's rendition of a tsunami caused by a meteorite impact (image by Don Davis)

The Torino Scale

Website of the Near Earth Object tracking program (NASA) (NEO website)

Recent observations by the NEO program





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