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Asteroid Impact Risk - Impact Hazard from Asteroids and Comets (Hardcover, 1st ed. 2022)
Loot Price: R3,597
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Asteroid Impact Risk - Impact Hazard from Asteroids and Comets (Hardcover, 1st ed. 2022)
Series: Impact Studies
Expected to ship within 10 - 15 working days
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This book describes the complexity of impact hazards associated
with asteroids and comets. The challenge in this regard lies in the
heterogeneous nature of these bodies that endanger our planet,
which is why we are conducting new experiments to better understand
their unique physicochemical properties. Several generations of
astronomers have tracked and mapped the orbits of asteroids and
comets over the past few centuries, and telescopic surveys have
only begun to discover "new" interstellar objects. In addition,
cutting-edge software allow our computers to combine the orbits of
these elusive bodies to study how they evolve over time and seek to
match asteroid complexes as fragments of asteroidal and cometary
disruptions. Impact hazards represent one of the greatest threats
to the survival of human beings in the medium term. Geological
studies show that the stratigraphic record holds clear geological
evidence of these rare but transcendental encounters in the history
of life on our planet. The study and quantification of past
catastrophes can give us clues to face future challenges in the
form of potential impacts. Further, it would be illogical to assume
that Earth's interaction with space is limited to major impacts.
Every night, Earth is struck by millions of particles, and dozens
of meteor showers occur around the globe every year. The study of
lake and ocean sediments reveals the magnitude of the continuous
contribution of interplanetary matter reaching Earth: roughly
100,000 tons per year. Accordingly, the goal of this book is to
underscore the need for society-wide awareness of the dangers
associated with asteroid and comet impacts, on the basis of
scientific evidence and with no intention of sparking alarmism.
After all, we ourselves may only be the fruit of an opportunity
given to mammals sixty-five million years ago to evolve after the
conflagration that would be the downfall of the dinosaurs. If we
have learned to read Earth's geological history, we should consider
ourselves a very fortunate species, and its teachings should equip
us to face this problem. The also book emphasizes the role of space
missions to gain insights on these bodies, particularly describing
the relevance of the DART (NASA) and Hera (ESA) missions to deflect
and study Dimorphos, respectively, the small satellite of the
Didymos binary asteroid.
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