Cosmic Threats - The Shadows of Extinction

Pasquale De Marco

Sinopsis

In a cosmic dance of celestial bodies, Earth stands vulnerable to a hidden menace—a lurking threat that could bring about its swift and cataclysmic demise: the peril of cosmic impacts.

Asteroids, comets, and meteors, remnants of the solar system's primordial formation, traverse the vast emptiness of space, some harboring the power to unleash devastation upon our world, reshaping continents, triggering cataclysmic natural disasters, and even extinguishing life as we know it.

Throughout history, Earth has endured the scars of these cosmic encounters, bearing witness to their destructive force. From the Chicxulub impact that wiped out the dinosaurs 66 million years ago to the Tunguska event of 1908, these celestial collisions have left an indelible mark on our planet's history.

Today, the threat of a catastrophic impact looms larger than ever before. Advanced telescopes have revealed the prevalence of near-Earth objects (NEOs)—asteroids and comets whose orbits bring them dangerously close to our planet. The sobering truth is that many more NEOs remain undiscovered, lurking in the darkness, waiting for their moment to strike.

The consequences of a significant impact could be devastating. A large asteroid or comet crashing into Earth could unleash an energy equivalent to billions of nuclear weapons, triggering a global catastrophe. Such an event could lead to widespread destruction, causing tsunamis, earthquakes, and wildfires, disrupting global climate patterns, and potentially leading to the extinction of countless species, including our own.

This book delves into the science behind cosmic impacts, exploring their history, potential consequences, and our current understanding of the threat they pose. It examines the efforts of scientists, astronomers, and engineers around the world to detect, track, and mitigate these celestial hazards.

With a captivating narrative style and meticulous research, this book offers a comprehensive and accessible exploration of the cosmic threats facing our planet. It is a wake-up call, urging us to take proactive steps to protect our future in this vast and unpredictable universe.

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Disponible desde: 02/06/2025.

Longitud de impresión: 162 páginas.

Ciencia y tecnología

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