Circumstellar Habitable Zones
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Circumstellar Habitable Zones
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Author : Laurance R. Doyle
language : en
Publisher:
Release Date : 1994
Circumstellar Habitable Zones written by Laurance R. Doyle and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Circumstellar Habitable Zones
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Author : Laurance Reeve Doyle
language : en
Publisher:
Release Date : 1996
Circumstellar Habitable Zones written by Laurance Reeve Doyle and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Circumstellar matter categories.
The Galactic Habitable Zone
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Author :
language : en
Publisher:
Release Date : 2009
The Galactic Habitable Zone written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
We propose the concept of a "Galactic Habitable Zone" (GHZ). Similar to the circumstellar habitable zone (CHZ), the GHZ is that region in a spiral galaxy where life can exist. The width of the GHZ is controlled by two factors. The inner (closest to the center of the galaxy) limit is set by threats to complex life: nearby transient sources of ionizing radiation and comet impacts. Such threats tend to increase close to the galactic center. The outer limit is imposed by galactic chemical evolution, specifically the abundance of heavier elements. Observation of stars in the Milky Way galaxy suggests that the outer reaches of a spiral galaxy may be too poor in heavy elements to allow terrestrial complex life to exist.
Exoplanets And Alien Solar Systems
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Author : Tahir Yaqoob
language : en
Publisher: New Earth Labs
Release Date : 2011-11
Exoplanets And Alien Solar Systems written by Tahir Yaqoob and has been published by New Earth Labs this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-11 with Education categories.
An unprecedented number of planets outside of the solar system have been found, with an explosion in the number of discoveries in recent years. Find out what has been happening in this rapidly advancing arena of human exploration, what these extrasolar planets are like, and why some traditional ideas face being thrown out.
Strategies Of Life Detection
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Author : Oliver Botta
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-07-18
Strategies Of Life Detection written by Oliver Botta and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-07-18 with Science categories.
This book collects papers presented at a workshop taking an interdisciplinary look at methods designed to detect life on other planets. It serves as a reference to scientists and instrument developers working in the field of in-situ and remote life detection.
Planetary Habitability In Binary Systems
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Author : Pilat-lohinger Elke
language : en
Publisher: World Scientific
Release Date : 2019-02-27
Planetary Habitability In Binary Systems written by Pilat-lohinger Elke and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-27 with Science categories.
Astrophysical research has led to the detection of thousands of planets outside the Solar System. About one-tenth of the extrasolar planets discovered so far reside in binary- or multi-stellar systems, and some of the closest known rocky exoplanets populate these multiple-star systems. While such environments seem good places to look for a second Earth, can Earth-like planets with two or more suns be habitable? And do solar system-like configurations have to be detected to find a habitable exo-Earth?This book addresses these questions. Starting with a brief overview of the various types of double star-planet configurations that have been observed so far, the book discusses the intriguing variety of planetary motion in such environments, taking into account the stellar type, evolution, and activity, and elaborates on how the presence of an additional stellar companion affects planet formation, system architectures and the habitability of planets in binary star systems. New methodologies developed in this area of research are explained and demonstrated for systems such as Alpha-Centauri, HD41004, Kepler-35, and many others. This monograph provides a grand entry to the exciting results that we expect from new missions like TESS, CHEOPS and Plato.
How To Find A Habitable Planet
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Author : James F. Kasting
language : en
Publisher: Princeton University Press
Release Date : 2021-12-07
How To Find A Habitable Planet written by James F. Kasting and has been published by Princeton University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-07 with Science categories.
The amazing science behind the search for Earth-like planets Ever since Carl Sagan first predicted that extraterrestrial civilizations must number in the millions, the search for life on other planets has gripped our imagination. Is Earth so rare that advanced life forms like us—or even the simplest biological organisms—are unique to the universe? How to Find a Habitable Planet describes how scientists are testing Sagan's prediction, and demonstrates why Earth may not be so rare after all. James Kasting has worked closely with NASA in its mission to detect habitable worlds outside our solar system, and in this book he introduces readers to the advanced methodologies being used in this extraordinary quest. He addresses the compelling questions that planetary scientists grapple with today: What exactly makes a planet habitable? What are the signatures of life astronomers should look for when they scan the heavens for habitable worlds? In providing answers, Kasting explains why Earth has remained habitable despite a substantial rise in solar luminosity over time, and why our neighbors, Venus and Mars, haven't. If other Earth-sized planets endowed with enough water and carbon are out there, he argues, chances are good that some of those planets sustain life. Kasting describes the efforts under way to find them, and predicts that future discoveries will profoundly alter our view of the universe and our place in it. This book is a must-read for anyone who has ever dreamed of finding other planets like ours—and perhaps even life like ours—in the cosmos. In a new afterword, Kasting presents some recent breakthroughs in the search for exoplanets and discusses the challenges facing space programs in the near future.
Rare Earth
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Author : Peter D. Ward
language : en
Publisher: Springer
Release Date : 2007-05-08
Rare Earth written by Peter D. Ward and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05-08 with Science categories.
What determines whether complex life will arise on a planet, or even any life at all? Questions such as these are investigated in this groundbreaking book. In doing so, the authors synthesize information from astronomy, biology, and paleontology, and apply it to what we know about the rise of life on Earth and to what could possibly happen elsewhere in the universe. Everyone who has been thrilled by the recent discoveries of extrasolar planets and the indications of life on Mars and the Jovian moon Europa will be fascinated by Rare Earth, and its implications for those who look to the heavens for companionship.
Habitability And Cosmic Catastrophes
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Author : Arnold Hanslmeier
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-11-14
Habitability And Cosmic Catastrophes written by Arnold Hanslmeier and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11-14 with Science categories.
The search for life in the universe is one of the most challenging topics of science. It is not a modern topic at all, since more than 100 years ago, it was speculated that on the Moon, there are oceans and seas; on Venus, there are swamps and also Mars is inhabitated. However, now we have the scienti?c background and the scienti?c tools to answer this question and it is also certain that the answer would have deep imp- cations for our culture, philosophy, and religions. If we ?nd that life has developed on other planets or satellites of giant planets, then this would be the ?nal breakdown of our central position in the universe. But is life a widespread phenomenon? How vulnerable is it to changing conditions and even catastrophic events? These topics will be discussed in this book. If life is in the extreme case a unique phenomenon found only on planet Earth, which seems to be highly unrealistic, then also it is important to discuss how it is adaptable to changing external conditions. Can we survive a cosmic catastrophe? How do these catastrophes change habitability? Which forms of life are more v- nerable? It was mentioned that now science has made great progress to answer such qu- tions. Let us give some examples. In modern biology, in connection with organic chemistry, the origin of life is studied.
Revision On The Comparative Relation Of Stellar Dynamics
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Author : Bruce R Nye
language : en
Publisher: Palmetto Publishing
Release Date : 2024-01-16
Revision On The Comparative Relation Of Stellar Dynamics written by Bruce R Nye and has been published by Palmetto Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-01-16 with categories.
Dive into Stellar Mastery: Uncover the Universe's Secrets with Revolutionary Mathematical Insights. Are you captivated by the vastness of our universe? Intrigued by the patterns and phenomena that govern our skies? Brace yourself for a groundbreaking expedition that delves deep into the heart of celestial dynamics. This work is more than just a book-it's an invitation to explore a world where traditional norms are challenged, and innovative perspectives are celebrated. Astronomer amateurs and undergrad students alike will find themselves enthralled by the methodical dissection of long-established methodologies. By sidestepping the widely accepted 'stellar constant', this work introduces readers to a fresh, unparalleled approach to understanding the universe's harmonious rhythm. Discover the intricate dance between solar mass and solar radius. Revel in the beauty of their interdependent relationship and its pivotal role in demarcating circumstellar habitable zones across an array of stellar hosts. And as if this intellectual voyage wasn't fascinating enough, the book illuminates the significance of surface temperature-a critical variable long overlooked in these pivotal calculations. Towards its finale, readers are treated to a captivating discourse, a juxtaposition of unique conversions and Newton's famed equation on orbital periods. This masterful blend crafts an algorithm that, for the first time, offers an indirect route to discern a star system's solar mass, presenting a fresh perspective on celestial mechanics. For the curious minds and those unafraid to challenge the status quo, this work is a beacon of innovation and discovery. Whether you're a seasoned astronomer, an undergrad in pursuit of knowledge, or simply a seeker of the universe's truths, this book promises an enthralling journey of astronomical revelations. Step into a realm where stars align in patterns yet uncharted. Dive deep, look up, and let the universe unveil its secrets.
