What is the origin of the universe? Are we alone in the Universe? Using clear and plain language, the author explores these two interesting scientific-philosophical themes with a broad range of studies, including astronomy, cosmology, chemistry, biology, geology and planet science.The first part discusses the origins of everything, from the Big Bang to humankind. It follows the long course of evolution — from original matter to the formation of more complex structures, from the furthest galaxies to the nearest stars, from planets to organic molecules, from the first and most elementary forms of life through to the reptiles, the dinosaurs and the advent of man.The second part traces the history of the Earth and evaluates the risks of extinction in the future as predicted by scientists. Is the Earth the only habitable planet in the Universe? This question initiates the discussion on the importance of the Earth's position in the solar system and the significance of our geologically alive planet.The final part is dedicated to the search for extraterrestrial beings with identifiable life forms. It also describes attempts for searching, from the past to the near future.This remarkable book provides the best answers we have to the epic questions about us and our place in the universe.

The acclaimed author of Einstein’s Dreams tackles "big questions like the origin of the universe and the nature of consciousness ... in an entertaining and easily digestible way” (Wall Street Journal) with a collection of meditative essays on the possibilities—and impossibilities—of nothingness and infinity, and how our place in the cosmos falls somewhere in between. Can space be divided into smaller and smaller units, ad infinitum? Does space extend to larger and larger regions, on and on to infinity? Is consciousness reducible to the material brain and its neurons? What was the origin of life, and can biologists create life from scratch in the lab? Physicist and novelist Alan Lightman, whom The Washington Post has called “the poet laureate of science writers,” explores these questions and more—from the anatomy of a smile to the capriciousness of memory to the specialness of life in the universe to what came before the Big Bang. Probable Impossibilities is a deeply engaged consideration of what we know of the universe, of life and the mind, and of things vastly larger and smaller than ourselves.

This is a provocative account of the astounding new answers to the most basic philosophical question: Where did the universe come from and how will it end?

A rigorous and scientific analysis of the myriad possibilities of life beyond our planet. ÒAre we alone in the universe?Ó This tantalizing question has captivated humanity over millennia, but seldom has it been approached rigorously. Today the search for signatures of extraterrestrial life and intelligence has become a rapidly advancing scientific endeavor. Missions to Mars, Europa, and Titan seek evidence of life. Laboratory experiments have made great strides in creating synthetic life, deepening our understanding of conditions that give rise to living entities. And on the horizon are sophisticated telescopes to detect and characterize exoplanets most likely to harbor life. Life in the Cosmos offers a thorough overview of the burgeoning field of astrobiology, including the salient methods and paradigms involved in the search for extraterrestrial life and intelligence. Manasvi Lingam and Abraham Loeb tackle three areas of interest in hunting for life Òout thereÓ: first, the pathways by which life originates and evolves; second, planetary and stellar factors that affect the habitability of worlds, with an eye on the biomarkers that may reveal the presence of microbial life; and finally, the detection of technological signals that could be indicative of intelligence. Drawing on empirical data from observations and experiments, as well as the latest theoretical and computational developments, the authors make a compelling scientific case for the search for life beyond what we can currently see. Meticulous and comprehensive, Life in the Cosmos is a master class from top researchers in astrobiology, suggesting that the answer to our age-old question is closer than ever before.

The field of planetary biology and chemical evolution draws together experts in astronomy, paleobiology, biochemistry, and space science who work together to understand the evolution of living systems. This field has made exciting discoveries that shed light on how organic compounds came together to form self-replicating molecules-the origin of life. This volume updates that progress and offers recommendations on research programs-including an ambitious effort centered on Mars-to advance the field over the next 10 to 15 years. The book presents a wide range of data and research results on these and other issues: The biogenic elements and their interaction in the interstellar clouds and in solar nebulae. Early planetary environments and the conditions that lead to the origin of life. The evolution of cellular and multicellular life. The search for life outside the solar system. This volume will become required reading for anyone involved in the search for life's beginnings-including exobiologists, geoscientists, planetary scientists, and U.S. space and science policymakers.

One of the world’s leading astrobiologists takes us on an awe-inspiring journey across the cosmos to investigate some of humanity’s most profound questions: Are we alone in the universe? And, how did life on Earth begin? We are in a golden age in astronomy, living on the cusp of breakthroughs that will revolutionize our understanding of our place in the cosmos in. Yet a profound question remains: Are we alone in the universe? We have never been closer to answering this question. In The Secret Life of the Universe, astrobiologist and the director of the Carl Sagan Center at the SETI Institute Nathalie A. Cabrol takes us to the frontiers of the search for life. The book’s odyssey begins by exploring how life began on Earth in order to understand what’s necessary for its existence elsewhere. What role did our Moon play? And could life on Mars have seeded life on Earth? Cabrol continues this dazzling interplanetary tour, illuminating the likeliest places for life in our neighborhood: While Mars and the icy moons of Jupiter and Saturn are among the top contenders, recent missions are redefining the limits of habitability to include unexpected worlds. Finally, we seek life beyond our Solar System, becoming witness to a revolution in the night sky: the realization that there are as many planets as stars in our galaxy. With more than 300 million exoplanets in the habitable zone of their stars in the Milky Way alone, to think we are alone, or the only advanced intelligent civilization, may be little more than nonsense. The Secret Life of the Universe is a comprehensive and authoritative guide to the search for life. This is an exhilarating journey for anyone who has ever looked up at the stars and wondered what might be out there.

Embark on an awe-inspiring journey through the cosmos with "Beyond the Stars: Fascinating Facts about the Universe." This captivating book invites readers to explore the mysteries and wonders of the universe, uncovering mind-boggling facts that will leave you spellbound. From the mesmerizing scale of the universe, where galaxies merge into superclusters, to the mind-bending distances and measurements that defy comprehension, this book delves into the awe-inspiring vastness of space. Dive into the captivating concepts of cosmic expansion and the Big Bang Theory, unraveling the origins and evolution of our universe. Discover the majestic stars that adorn our night sky, as you explore their various types, life cycles, and mind-boggling sizes. Journey through the solar system, exploring the unique characteristics of planets and the captivating moons, asteroids, and comets that accompany them. Uncover the explosive deaths of stars in supernovae, shaping the very fabric of the cosmos. Delve into the enigmatic remnants of massive stars, where neutron stars and pulsars exhibit extraordinary properties and unleash unimaginable energies. Explore the depths of black holes, where gravity reigns supreme and the laws of physics are pushed to their limits. Dive into the elusive nature of dark matter and the enigmatic role of dark energy in driving the accelerating expansion of the universe. Engage with current research and theories surrounding these cosmic enigmas, as scientists push the boundaries of knowledge in their quest for understanding. Witness the discovery of exoplanets and their potential for habitability, as humanity takes its first steps towards finding other potentially life-bearing worlds. Explore the characteristics of these distant planets and join the ongoing search for extraterrestrial life, contemplating the profound implications for our place in the universe. Engross yourself in the fascinating world of celestial events, from eclipses to meteor showers, experiencing the grandeur of the universe's captivating spectacles. Marvel at the explosive energy unleashed in gamma-ray bursts and explore the ripples in spacetime caused by gravitational waves. Trace the milestones of space exploration, from the historic Moon landing to the ambitious missions to Mars and beyond. Learn about the robotic probes that have revolutionized our understanding of the cosmos and glimpse into the future of space exploration, where interstellar travel becomes a tantalizing possibility. With vivid descriptions, stunning visuals, and expertly curated facts, "Beyond the Stars: Fascinating Facts about the Universe" is an enthralling compendium that will ignite your curiosity and deepen your appreciation for the marvels of the cosmos. Whether you are a space enthusiast, a science lover, or simply someone captivated by the wonders of the universe, this book is your ticket to an extraordinary cosmic adventure. Prepare to be amazed and inspired as you journey beyond the stars.

This book surveys the models for the origin of life and presents a new model starting with shaped droplets and ending with life as polygonal Archaea; it collects the most published micrographs of Archaea (discovered only in 1977), which support this conclusion, and thus provides the first visual survey of Archaea. Origin of Life via Archaea’s purpose is to add a new hypothesis on what are called “shaped droplets”, as the starting point, for flat, polygonal Archaea, supporting the Vesicles First hypothesis. The book contains over 6000 distinct references and micrographs of 440 extant species of Archaea, 41% of which exhibit polygonal phenotypes. It surveys the intellectual battleground of the many ideas of the origin of life on earth, chemical equilibrium, autocatalysis, and biotic polymers. This book contains 17 chapters, some coauthored, on a wide range of topics on the origin of life, including Archaea’s origin, patterns, and species. It shows how various aspects of the origin of life may have occurred at chemical equilibrium, not requiring an energy source, contrary to the general assumption. For the reader’s value, its compendium of Archaea micrographs might also serve many other interesting questions about Archaea. One chapter presents a theory for the shape of flat, polygonal Archaea in terms of the energetics at the surface, edges and corners of the S-layer. Another shows how membrane peptides may have originated. The book also includes a large table of most extant Archaea, that is searchable in the electronic version. It ends with a chapter on problems needing further research. Audience This book will be used by astrobiologists, origin of life biologists, physicists of small systems, geologists, biochemists, theoretical and vesicle chemists.

“A definitive guide to astronomy’s hottest field.” —The Economist Since its formation nearly five billion years ago, our planet has been the sole living world in a vast and silent universe. But over the past two decades, astronomers have discovered thousands of “exoplanets,” including some that could be similar to our own world, and the pace of discovery is accelerating. In a fascinating account of this unfolding revolution, Lee Billings draws on interviews with the world’s top experts in the search for life beyond earth. He reveals how the search for exoplanets is not only a scientific challenge, but also a reflection of our culture’s timeless hopes, dreams, and fears.

Regarding his discoveries, Sir Isaac Newton famously said, "If I have seen further it is by standing upon the shoulders of giants." The Evolving Universe and the Origin of Life describes, complete with fascinating biographical details of the thinkers involved, a history of the universe as interpreted by the expanding body of knowledge of humankind. From subatomic particles to the protein chains that form life, and expanding in scale to the entire universe, this book covers the science that explains how we came to be. This book contains a great breadth of knowledge, from astronomy and physics to chemistry and biology. The second edition brings this story up to date, chronicling scientific achievements in recent years in such fields of research as cosmology, the large-scale architecture of the universe, black holes, exoplanets, and the search for extraterrestrial life. With over 250 figures, this is a non-technical, easy-to-read textbook at an introductory college level that is ideal for anyone interested in science as well as its history.