Provocations #179: Twenty two million year old astrobleme

Dr. Roberts explores the Houghton Astrobleme west of Greenland. It was formed when an asteroid struck the Arctic Devon Island in Canada 22 million years ago. Walter Orr Roberts informal series, "Provocations." Each issue consists of provocative comments related to scientific issues that mo...

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Bibliographic Details
Other Authors: Roberts, Walter (author)
Format: Text
Language:English
Published: 1987
Subjects:
Arctic
Canada
Devon Island
Greenland
Online Access:http://nldr.library.ucar.edu/repository/collections/WOR-000-000-000-176
Description
Summary:Dr. Roberts explores the Houghton Astrobleme west of Greenland. It was formed when an asteroid struck the Arctic Devon Island in Canada 22 million years ago. Walter Orr Roberts informal series, "Provocations." Each issue consists of provocative comments related to scientific issues that mostly focus on weather, climate, the sun, or near space, with the aim of creating a forum for discussion.

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