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The Quest for Comets - An Explosive Trail of Beauty and Danger (Hardcover)
Loot Price: R1,549
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The Quest for Comets - An Explosive Trail of Beauty and Danger (Hardcover)
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The brilliant trailing beauty of fiery comets has inspired fear,
wonder, and awe since the dawn of human history. Brighter than
stars, moving and disappearing in their own singular orbits, comets
have been among the most mysterious elements in the sky, eluding
our understanding until very recently. With the aid of space
probes, scientists have discovered that these swiftly moving chunks
of ice and carbon are more plentiful and far more dangerous than
suspected. Scientists are also beginning to realize the monumental
role played by comets in the development of the Earth and solar
system. David Levy describes in dramatic detail the thrilling yet
often devastating effects of comet collisions. In the dawn of our
solar system, the Earth was barraged with comets that may have
carried the materials necessary to lay the foundations for life on
this planet. Levy also presents compelling evidence for later comet
collisions, including those of the age of dinosaurs. Great impacts,
Levy asserts, not only caused the extinction of the dinesaurs, but
ushered in new species of life. As Levy so clearly explains,
scientists are realizing that comet collisions are virtually
inevitable. Levy reveals possible future collisions with the Earth
and describes the terrible risks to life they would pose. He even
shows how we might prepare to withstand the impact of large comets
in the future.
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