Planet
Earth
In
the past thirty years new technology has created an extraordinary
revolution in our knowledge of Planet Earth. Satellites, robot space
probes, manned undersea vehicles, computer enhanced images - all these
have inspired new theories about how our planet was created, the
dynamics at work today, and our potential to harness the earth's
energies in the future, or tip the balance toward disaster.
Planet Earth
is based on an extraordinary global effort by WQED/Pittburgh, in a
landmark association with the National Academy of Sciences, to bring
millions of television viewers up-to-date on these amazing
breakthroughs. This book is a guide to our living, changing planet. We
journey to the rim of a great meteor crater for evidence of the cosmic
collisions from which Earth was born. We travel back in time to 1930,
in the icy heart of Greenland, with German scientist Alfred Wegener,
who sought all his life to find out why identical fossils exist on
continents thousands of miles apart, and why mountain ranges, separated
by vast oceans, have the same geology. We journey to the outer reaches
of our solar system, dive to a site of sea-floor spreading and watch
molten rock erupt from the heart of the Earth to form new undersea
mountains and a new ocean floor. We will find the awesome truth - that
the fires of creation burn under the sea - and we will meet the bizarre
denizens of that nether world
Ultimately, we will come to see
this planet not as a hunk of stone in space but much more like a living
organism - with its own internal dynamics, exchanging gases, healing
itself, increasingly dependent on a new host creature - man - to shape
its future.
Hardbound in good condition.
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