Planetary Habitability And Stellar Activity

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Planetary Habitability And Stellar Activity

Author : Arnold Hanslmeier
Publisher : World Scientific
ISBN 13 : 9813237449
Total Pages : 262 pages
Book Rating : 4.8/5 (132 download)

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Book Synopsis Planetary Habitability And Stellar Activity by : Arnold Hanslmeier

Download or read book Planetary Habitability And Stellar Activity written by Arnold Hanslmeier and published by World Scientific. This book was released on 2018-07-18 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'The whole text is written in a clear and light scientific style. It is fully referenced to scientific publications and supported by numerous figures, mainly in full colour … The present book can be recommended to any interested reader with a background in physics and/or astronomy, in particular to undergraduate and graduate students within astronomy and related fields, possibly being also of interest to scientists in (evolutionary) biology.'Contemporary PhysicsThe search for exoplanets and habitable objects in general is one of the fastest growing and most prominent fields in modern astrophysics. This book provides an overview on habitability on exoplanets. Habitability is strongly dependent on stellar activity. Therefore, space weather effects on objects in the solar system as well as on exoplanets are discussed.The concept of the book is to introduce the topics and then discuss actual scientific papers so that the interested reader has access to most recent research. Therefore the book is valuable to undergraduate students as well as to graduate students and researchers.

Planetary Habitability In Binary Systems

Author : Pilat-lohinger Elke
Publisher : World Scientific
ISBN 13 : 9813275146
Total Pages : 204 pages
Book Rating : 4.8/5 (132 download)

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Book Synopsis Planetary Habitability In Binary Systems by : Pilat-lohinger Elke

Download or read book Planetary Habitability In Binary Systems written by Pilat-lohinger Elke and published by World Scientific. This book was released on 2019-02-27 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Planetary Atmospheres

Author : C. Sagan
Publisher : Springer Science & Business Media
ISBN 13 : 9401030634
Total Pages : 409 pages
Book Rating : 4.4/5 (1 download)

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Book Synopsis Planetary Atmospheres by : C. Sagan

Download or read book Planetary Atmospheres written by C. Sagan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the IAU Symposium No. 40, held in Marfa, Texas, U.S.A., October 26-31, 1969

Exoplanet Science Strategy

Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
ISBN 13 : 030947941X
Total Pages : 187 pages
Book Rating : 4.3/5 (94 download)

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Book Synopsis Exoplanet Science Strategy by : National Academies of Sciences, Engineering, and Medicine

Download or read book Exoplanet Science Strategy written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2019-01-17 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past decade has delivered remarkable discoveries in the study of exoplanets. Hand-in-hand with these advances, a theoretical understanding of the myriad of processes that dictate the formation and evolution of planets has matured, spurred on by the avalanche of unexpected discoveries. Appreciation of the factors that make a planet hospitable to life has grown in sophistication, as has understanding of the context for biosignatures, the remotely detectable aspects of a planet's atmosphere or surface that reveal the presence of life. Exoplanet Science Strategy highlights strategic priorities for large, coordinated efforts that will support the scientific goals of the broad exoplanet science community. This report outlines a strategic plan that will answer lingering questions through a combination of large, ambitious community-supported efforts and support for diverse, creative, community-driven investigator research.

Planetary Habitability

Author : KANE
Publisher : Programme: Aas-Iop Astronomy
ISBN 13 : 9780750321181
Total Pages : 200 pages
Book Rating : 4.3/5 (211 download)

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Book Synopsis Planetary Habitability by : KANE

Download or read book Planetary Habitability written by KANE and published by Programme: Aas-Iop Astronomy. This book was released on 2021-12-13 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding planetary habitability is one of the major challenges of the current scientific era, and is a vast inter-disciplinary undertaking that combines planetary science, climate science, and stellar astrophysics. This book provides an overview of the many processes that influence the energy balance of planetary surface environments and control the sustainability of temperate conditions. These factors include such aspects as the influence of stars, the atmospheres and interiors or planets, and the orbital dynamics of planetary systems. Also described are the concepts behind the habitable zone, lessons learned from solar system data, and the vast opportunities that are provided by exoplanet discoveries, both now and into the future. Key Features: Summarises current exoplanet discoveries relevant to habitability Aimed at graduate students and researchers with an interest in exoplanets and astrobiology Describes the primary factors that influence the habitability of a planet Emphasises the need for in situ data in our solar system Covers the degeneracy of geosignatures and biosignatures

The Sun as a Guide to Stellar Physics

Author : Oddbjørn Engvold
Publisher : Elsevier
ISBN 13 : 0128143355
Total Pages : 524 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis The Sun as a Guide to Stellar Physics by : Oddbjørn Engvold

Download or read book The Sun as a Guide to Stellar Physics written by Oddbjørn Engvold and published by Elsevier. This book was released on 2018-11-15 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Sun as a Guide to Stellar Physics illustrates the significance of the Sun in understanding stars through an examination of the discoveries and insights gained from solar physics research. Ranging from theories to modeling and from numerical simulations to instrumentation and data processing, the book provides an overview of what we currently understand and how the Sun can be a model for gaining further knowledge about stellar physics. Providing both updates on recent developments in solar physics and applications to stellar physics, this book strengthens the solar–stellar connection and summarizes what we know about the Sun for the stellar, space, and geophysics communities. Applies observations, theoretical understanding, modeling capabilities and physical processes first revealed by the sun to the study of stellar physics Illustrates how studies of Proxima Solaris have led to progress in space science, stellar physics and related fields Uses characteristics of solar phenomena as a guide for understanding the physics of stars

Living around Active Stars (IAU S328)

Author : Dibyendu Nandy
Publisher : Cambridge University Press
ISBN 13 : 9781107170056
Total Pages : 392 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Living around Active Stars (IAU S328) by : Dibyendu Nandy

Download or read book Living around Active Stars (IAU S328) written by Dibyendu Nandy and published by Cambridge University Press. This book was released on 2017-10-12 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: The variable activity of stars such as the Sun is mediated through stellar magnetic fields, radiative and energetic particle fluxes, stellar winds and magnetic storms manifested as stellar flares and coronal mass ejections. This activity influences planetary atmospheres, climate and habitability: on the one hand it drives life-sustaining processes on planets, but on the other hand can adversely impact planetary environments rendering them uninhabitable. Studies of this intimate relationship between the parent star, its astrosphere and the planets that it hosts have reached a certain level of maturity in our own Solar System. Based on this understanding, the first attempts are being made to characterize the interactions between distant stars and their planets and understand their coupled evolution, which is relevant for the search for habitable exoplanets. IAU Symposium 328 brings together diverse, interdisciplinary reviews and research papers which address the themes of star-planet interactions and habitability.

The Diversity of Chemical Composition and the Effects on Stellar Evolution and Planetary Habitability

Author : Amanda R. Truitt
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)

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Book Synopsis The Diversity of Chemical Composition and the Effects on Stellar Evolution and Planetary Habitability by : Amanda R. Truitt

Download or read book The Diversity of Chemical Composition and the Effects on Stellar Evolution and Planetary Habitability written by Amanda R. Truitt and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: I present a catalog of 1,794 stellar evolution models for solar-type and low-mass stars, which is intended to help characterize real host-stars of interest during the ongoing search for potentially habitable exoplanets. The main grid is composed of 904 tracks, for 0.5-1.2 M_sol at scaled metallicity values of 0.1-1.5 Z_sol and specific elemental abundance ratio values of 0.44-2.28 O/Fe_sol, 0.58-1.72 C/Fe_sol, 0.54-1.84 Mg/Fe_sol, and 0.5-2.0 Ne/Fe_sol. The catalog includes a small grid of late stage evolutionary tracks (25 models), as well as a grid of M-dwarf stars for 0.1-0.45 M_sol (856 models). The time-dependent habitable zone evolution is calculated for each track, and is strongly dependent on stellar mass, effective temperature, and luminosity parameterizations. I have also developed a subroutine for the stellar evolution code TYCHO that implements a minimalist coupled model for estimating changes in the stellar X-ray luminosity, mass loss, rotational velocity, and magnetic activity over time; to test the utility of the updated code, I created a small grid (9 models) for solar-mass stars, with variations in rotational velocity and scaled metallicity. Including this kind of information in the catalog will ultimately allow for a more robust consideration of the long-term conditions that orbiting planets may experiience. In order to gauge the true habitability potential of a given planetary system, it is extremely important to characterize the host-star's mass, specific chemical composition, and thus the timescale over which the star will evolve. It is also necessary to assess the likelihood that a planet found in the "instantaneous" habitable zone has actually had sufficient time to become "detectably" habitable. This catalog provides accurate stellar evolution predictions for a large collection of theoretical host-stars; the models are of particular utility in that they represent the real variation in stellar parameters that have been observed in nearby stars.

Physics, Formation and Evolution of Rotating Stars

Author : Andre Maeder
Publisher : Springer Science & Business Media
ISBN 13 : 3540769498
Total Pages : 832 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Physics, Formation and Evolution of Rotating Stars by : Andre Maeder

Download or read book Physics, Formation and Evolution of Rotating Stars written by Andre Maeder and published by Springer Science & Business Media. This book was released on 2008-12-19 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rotation is ubiquitous at each step of stellar evolution, from star formation to the final stages, and it affects the course of evolution, the timescales and nucleosynthesis. Stellar rotation is also an essential prerequisite for the occurrence of Gamma-Ray Bursts. In this book the author thoroughly examines the basic mechanical and thermal effects of rotation, their influence on mass loss by stellar winds, the effects of differential rotation and its associated instabilities, the relation with magnetic fields and the evolution of the internal and surface rotation. Further, he discusses the numerous observational signatures of rotational effects obtained from spectroscopy and interferometric observations, as well as from chemical abundance determinations, helioseismology and asteroseismology, etc. On an introductory level, this book presents in a didactical way the basic concepts of stellar structure and evolution in "track 1" chapters. The other more specialized chapters form an advanced course on the graduate level and will further serve as a valuable reference work for professional astrophysicists.

Planetary Systems

Author : Marc Ollivier
Publisher : Springer Science & Business Media
ISBN 13 : 3540757481
Total Pages : 351 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Planetary Systems by : Marc Ollivier

Download or read book Planetary Systems written by Marc Ollivier and published by Springer Science & Business Media. This book was released on 2008-11-27 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past ten years, the discovery of extrasolar planets has opened a new field of astronomy, and this area of research is rapidly growing, from both the observational and theoretical point of view. The presence of many giant exoplanets in the close vicinity of their star shows that these newly discovered planetary systems are very different from the solar system. New theoretical models are being developed in order to understand their formation scenarios, and new observational methods are being implemented to increase the sensitivity of exoplanet detections. In the present book, the authors address the question of planetary systems from all aspects. Starting from the facts (the detection of more than 300 extraterrestrial planets), they first describe the various methods used for these discoveries and propose a synthetic analysis of their global properties. They then consider the observations of young stars and circumstellar disks and address the case of the solar system as a specific example, different from the newly discovered systems. Then the study of planetary systems and of exoplanets is presented from a more theoretical point of view. The book ends with an outlook to future astronomical projects, and a description of the search for life on exoplanets. This book addresses students and researchers who wish to better understand this newly expanding field of research.

Planetary Mineralogy

Author : M.R. Lee
Publisher : The Mineralogical Society of Great Britain and Ireland
ISBN 13 : 0903056550
Total Pages : 308 pages
Book Rating : 4.9/5 (3 download)

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Book Synopsis Planetary Mineralogy by : M.R. Lee

Download or read book Planetary Mineralogy written by M.R. Lee and published by The Mineralogical Society of Great Britain and Ireland. This book was released on 2015-04-20 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of the EMU Notes in Mineralogy is one of the outcomes of a school in planetary mineralogy that was held in Glasgow, Scotland, in 2014. The school was inspired by the recent advances in our understanding of the nature and evolution of our Solar System that have come from the missions to study and sample asteroids and comets, and the very successful Mars orbiters and landers. At the same time our horizons have expanded greatly with the discovery of extrasolar protoplanetary disks, planets and planetary systems by space telescopes. The continued success of such telescopic and robotic exploration requires a supply of highly skilled people and so one of the goals of the Glasgow school was to help build a community of early-career planetary scientists and space engineers.

Ultraviolet Astronomy and the Quest for the Origin of Life

Author : Ana I. Gomez de Castro
Publisher : Elsevier
ISBN 13 : 0128191716
Total Pages : 178 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Ultraviolet Astronomy and the Quest for the Origin of Life by : Ana I. Gomez de Castro

Download or read book Ultraviolet Astronomy and the Quest for the Origin of Life written by Ana I. Gomez de Castro and published by Elsevier. This book was released on 2021-03-27 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultraviolet Astronomy and the Quest for the Origin of Life addresses the use of astronomical observations in the ultraviolet range to better understand the generation of complex, life-precursor molecules. The origin of RNA is still under debate but seems to be related to the generation of pools of complex organic molecules submitted to heavy cycles of solution in water and drying. This book investigates whether these cycles require a planetary surface or may occur in space by examining both the theoretical and observational aspects of the role of UV radiation in the origin of life. This book offers the latest advances in these studies for astronomers, astrobiologists and planetary scientists. Addresses both the theoretical and observational aspects of the role of Ultraviolet (UV) radiation in the origin of life Builds on the requirements to produce prebiotic molecules in space and the implications for the origin of RNA Investigates the use of ultraviolet observations related to planetary system formation, the evolution of young planetary disks, and the interaction of stars with planetary atmospheres

The Impact of Stellar Activity Evolution on Atmospheric Mass Loss of Young Exoplanets

Author : Laura Ketzer
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (142 download)

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Book Synopsis The Impact of Stellar Activity Evolution on Atmospheric Mass Loss of Young Exoplanets by : Laura Ketzer

Download or read book The Impact of Stellar Activity Evolution on Atmospheric Mass Loss of Young Exoplanets written by Laura Ketzer and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The increasing number of known exoplanets raises questions about their demographics and the mechanisms that shape planets into how we observe them today. Young planets in close-in orbits are exposed to harsh environments due to the host star being magnetically highly active, which results in high X-ray and extreme UV fluxes impinging on the planet. Prolonged exposure to this intense photoionizing radiation can cause planetary atmospheres to heat up, expand and escape into space via a hydrodynamic escape process known as photoevaporation. For super-Earth and sub-Neptune-type planets, this can even lead to the complete erosion of their primordial gaseous atmospheres. A factor of interest for this particular mass-loss process is the activity evolution of the host star. Stellar rotation, which drives the dynamo and with it the magnetic activity of a star, changes significantly over the stellar lifetime. This strongly affects the amount of high-energy radiation received by a planet as stars age. At a young age, planets still host warm and ...

Earth System Science: A Very Short Introduction

Author : Tim Lenton
Publisher : Oxford University Press
ISBN 13 : 0191028959
Total Pages : 169 pages
Book Rating : 4.1/5 (91 download)

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Book Synopsis Earth System Science: A Very Short Introduction by : Tim Lenton

Download or read book Earth System Science: A Very Short Introduction written by Tim Lenton and published by Oxford University Press. This book was released on 2016-02-25 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: When humanity first glimpsed planet Earth from space, the unity of the system that supports humankind entered the popular consciousness. The concept of the Earth's atmosphere, biosphere, oceans, soil, and rocks operating as a closely interacting system has rapidly gained ground in science. This new field, involving geographers, geologists, biologists, oceanographers, and atmospheric physicists, is known as Earth System Science. In this Very Short Introduction, Tim Lenton considers how a world in which humans could evolve was created; how, as a species, we are now reshaping that world; and what a sustainable future for humanity within the Earth System might look like. Drawing on elements of geology, biology, chemistry, physics, and mathematics, Lenton asks whether Earth System Science can help guide us onto a sustainable course before we alter the Earth system to the point where we destroy ourselves and our current civilisation. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.

Extrasolar Planets

Author : Rudolf Dvorak
Publisher : John Wiley & Sons
ISBN 13 : 3527621377
Total Pages : 305 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Extrasolar Planets by : Rudolf Dvorak

Download or read book Extrasolar Planets written by Rudolf Dvorak and published by John Wiley & Sons. This book was released on 2008-06-25 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: This latest, up-to-date resource for research on extrasolar planets covers formation, dynamics, atmospheres and detection. After a look at the formation of giant planets, the book goes on to discuss the formation and dynamics of planets in resonances, planets in double stars, atmospheres and habitable zones, detection via spectra and transits, and the history and prospects of ESPs as well as satellite projects. Edited by a renowned expert in solar system dynamics with chapters written by the leading experts in the method described -- from the US and Europe -- this is an ideal textbook for graduates, students in astronomy, and astronomers.

Machine Learning for Astrophysics

Author : Filomena Bufano
Publisher : Springer Nature
ISBN 13 : 3031341678
Total Pages : 206 pages
Book Rating : 4.0/5 (313 download)

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Book Synopsis Machine Learning for Astrophysics by : Filomena Bufano

Download or read book Machine Learning for Astrophysics written by Filomena Bufano and published by Springer Nature. This book was released on 2023-11-15 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews the state of the art in the exploitation of machine learning techniques for the astrophysics community and gives the reader a complete overview of the field. The contributed chapters allow the reader to easily digest the material through balanced theoretical and numerical methods and tools with applications in different fields of theoretical and observational astronomy. The book helps the reader to really understand and quantify both the opportunities and limitations of using machine learning in several fields of astrophysics.

Habitable Planets for Man

Author : Stephen H. Dole
Publisher : Rand Corporation
ISBN 13 : 9780833042279
Total Pages : 158 pages
Book Rating : 4.0/5 (422 download)

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Book Synopsis Habitable Planets for Man by : Stephen H. Dole

Download or read book Habitable Planets for Man written by Stephen H. Dole and published by Rand Corporation. This book was released on 2007-09 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: Habitable Planets for Man examines and estimates the probabilities of finding planets habitable to man, where they might be found, and the number there may be in our own galaxy. The author presents in detail the characteristics of a planet that can provide an acceptable environment for humankind, itemizes the stars nearest the earth most likely to possess habitable planets, and discusses how to search for habitable planets. Interestingly for our time, he also gives an appraisal of the earth as a planet and describes how its habitability would be changed if some of its basic properties were altered. This is a reprint of an edition originally published in 1964.