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Good Reads  Reference  Physical Sciences  Cosmology & Astronomy

Colliding Worlds How Cosmic Encounters Shaped Planets and Life

Popular Science
By: Simone Marchi(Author)
217 pages, 8 plates with 13 colour illustrations; 35 b/w illustrations
Colliding Worlds
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  • Colliding Worlds ISBN: 9780198845409 Hardback Jun 2021 Not in stock: Usually dispatched within 6 days
Price: £21.49
About this book Contents Customer reviews Biography Related titles

About this book

Simone Marchi presents the emerging story of how cosmic collisions shaped both the solar system and our own planet, from the creation of the Moon to influencing the evolution of life on Earth.

The Earth emerged out of the upheaval and chaos of massive collisions in the infancy of the Solar System, more than four billion years ago. The largest of these events sent into orbit a spray of molten rocks out of which the Moon coalesced. As in ancient mythological tales, this giant catastrophe marks the birth of our planet as we know it.

Space exploration has shown that signs of ancient collisions are widespread in the Solar System, from the barren and once-habitable Mars to the rugged asteroids. On Earth these signs are more subtle, but still cataclysmic, such as the massive asteroid strike which likely sparked the demise of the dinosaurs and many other forms of life some 66 million years ago. Signatures of even more dramatic catastrophes are concealed in ancient rocks. These events wreaked havoc on our planet's surface, influencing global climate and topography, while also enriching the Earth with gold and other rare elements. And recently, modern science is finding that they could even have contributed to developing the conditions conducive to life.

In Colliding Worlds, Simone Marchi explores the key role that collisions in space have played in the formation and evolution of our solar system, the development of planets, and possibly even the origin of life on Earth. Analysing our latest understanding of the surfaces of Mars and Venus, gleaned from recent space missions, Marchi presents the dramatic story of cosmic collisions and their legacies.


1. Born out of Fire and Chaos
2. A Clash of Giants
3. Wandering Among the Planets
4. Earth's Wild Years
5. A Watery Mars
6. Creative Destruction


Customer Reviews


Dr Simone Marchi is a Principal Scientist at Southwest Research in Boulder, Colorado. His interests cover the formation and geology of the terrestrial planets, the Moon, and asteroids. He is Deputy Project scientist for the NASA Lucy mission, and Co-Investigator of the NASA Psyche mission, NASA Dawn mission, and ESA BepiColombo. He is a member of the science teams of the ESA JUICE and Rosetta missions. Marchi won the international Farinella Prize and NASA's Susan Mahan Neibur Early Career Award for his studies of the impact histories of terrestrial planets and asteroids and early evolution of the Solar System. He is also the recipient of several NASA and ESA mission group achievement awards, and has an asteroid named after him by the International Astronomical Union: Asteroid 72543 Simonemarchi. His work is regularly featured on the news.

Popular Science
By: Simone Marchi(Author)
217 pages, 8 plates with 13 colour illustrations; 35 b/w illustrations
Media reviews

"Colliding Worlds is a fascinating and fresh look at the history of our solar system through the lens of the cataclysmic events that have profoundly shaped it. Marchi's engaging and clearly written book helps us understand the nature and significance of impacts for Earth's geologic history and the emergence of life, as well as their implications for our sibling terrestrial planets and exoplanetary systems."
– Carol A. Raymond, Jet Propulsion Laboratory, California Institute of Technology

"A fascinating story of how our Solar System was formed, and how we have arrived at the current understanding of it, from the unique perspective of cosmic collisions. Information from a few hundred years of planetary and astronomical research to the latest space exploration is marvellously weaved together. The very success of being able to connect diverse subjects in such a coherent and engaging manner attests to the fundamental importance of cosmic collisions, or "creative destruction" as the author puts it, in our search for the grand theory of planetary formation in the coming years."
– Jun Korenaga, Yale University

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