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Meteorites

John Chambers and Jacqueline Mitton

in From Dust to Life: The Origin and Evolution of Our Solar System

Published in print:
2017
Published Online:
May 2018
ISBN:
9780691175706
eISBN:
9781400885565
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691175706.003.0005
Subject:
History, History of Science, Technology, and Medicine

This chapter discusses how countless small rocks from space encounter Earth each day, burning up completely in the atmosphere as meteors. Most meteors are tiny, no larger than a grain of sand. These ... More


On the Edge of Extinction

Gerrit L. Verschuur

in Impact!: The Threat of Comets and Asteroids

Published in print:
1996
Published Online:
November 2020
ISBN:
9780195101058
eISBN:
9780197561232
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195101058.003.0012
Subject:
Earth Sciences and Geography, Geophysics: Earth Sciences

On the morning of June 30, 1908, civilization may have suffered the worst piece of luck in its history. A small cometlike object exploded in the atmosphere above the Tunguska river valley in ... More


Reconstructing the Crime

Gerrit L. Verschuur

in Impact!: The Threat of Comets and Asteroids

Published in print:
1996
Published Online:
November 2020
ISBN:
9780195101058
eISBN:
9780197561232
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195101058.003.0013
Subject:
Earth Sciences and Geography, Geophysics: Earth Sciences

Just what happened to the dinosaurs? In the mind’s eye, travel back to the Cretaceous period, 65 million years ago. First, land in a region of the world that will someday be called Oklahoma. You ... More


Death Star or Coherent Catastrophism?

Gerrit L. Verschuur

in Impact!: The Threat of Comets and Asteroids

Published in print:
1996
Published Online:
November 2020
ISBN:
9780195101058
eISBN:
9780197561232
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195101058.003.0014
Subject:
Earth Sciences and Geography, Geophysics: Earth Sciences

Our instinct for survival drives us to learn as much as possible about what goes on around us. The better we understand nature, the better we will be able to predict its vagaries so as to avoid ... More


The Great Comet Crash of 1994

Gerrit L. Verschuur

in Impact!: The Threat of Comets and Asteroids

Published in print:
1996
Published Online:
November 2020
ISBN:
9780195101058
eISBN:
9780197561232
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195101058.003.0017
Subject:
Earth Sciences and Geography, Geophysics: Earth Sciences

Just as everyone offering odds was beginning to feel secure that comet impact is not an immediate threat to life on earth, I heard several planetary scientists state confidently that there was not ... More


Bimodal Plasma Sheet Flow

Charles F. Kennel

in Convection and Substorms: Paradigms of Magnetospheric Phenomenology

Published in print:
1996
Published Online:
November 2020
ISBN:
9780195085297
eISBN:
9780197560488
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195085297.003.0009
Subject:
Earth Sciences and Geography, Atmospheric Sciences

How does the plasma sheet respond to the complex pattern of waves coming over the poles from bursty magnetopause reconnection events, or to the vortices and other ... More


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