My Account Log in

1 option

Encyclopaedia Britannica science editor John Rafferty discusses the cause of dinosaur extinction.

Academic Video Online: Premium - United States Available online

View online
Format:
Video
Contributor:
Rafferty, John, on-screen presenter.
Encyclopaedia Britannica, Inc., publisher.
Series:
Academic Video Online
Language:
English
Subjects (All):
Dinosaurs--Extinction.
Dinosaurs.
Genre:
Short films.
Educational films.
Physical Description:
1 online resource (2 minutes)
Place of Publication:
Chicago, IL : Encyclopedia Britannica, 2011.
Language Note:
In English.
System Details:
video file
Summary:
John Rafferty, Associate Editor of Earth Sciences, discusses the extinction of the dinosaurs by the impact of a meteorite or comet. A branch of the dinosaurs survived as birds.
Notes:
Title from resource description page (viewed July 20, 2022).
OCLC:
1340918706

The Penn Libraries is committed to describing library materials using current, accurate, and responsible language. If you discover outdated or inaccurate language, please fill out this feedback form to report it and suggest alternative language.

Find

Home Release notes

My Account

Shelf Request an item Bookmarks Fines and fees Settings

Guides

Using the Find catalog Using Articles+ Using your account