Proceedings of the International Astronomical Union Symposia and Colloquia – serie
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95 produkter
95 produkter
Inbunden, Engelska, 2010
941 kr
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IAU Symposium 269 celebrates the 400th anniversary of Galileo Galilei's discovery of the Medicean Moons, Jupiter's four largest satellites, exploring the impact his findings have had on science and the humanities. Galileo's instrumental discovery and his belief that the planets and moons in our Solar System could be habitable worlds encouraged a deeper understanding of our place in the Universe. Today, ongoing space missions to Jupiter's moons, our own Moon, Mars, Saturn and Enceladus reveal our continued fascination with the possibilities of alien life, but this time with a focus on potential host sites for primitive life forms. These critical reviews examine our present knowledge of the Jupiter system and consider how future space missions and improvements in telescopes will bolster the contemporary vision of our Solar System, of the many known extrasolar planetary systems and of life forms beyond the Solar System.
Inbunden, Engelska, 2011
890 kr
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This volume provides a detailed snapshot of the state-of-the-art of the field fifteen years after the first extrasolar planet discovery announcement. The major review articles and contributed papers allow for vibrant discussions and confrontations between theory and observations. Datasets of the highest quality, innovative numerical tools and increasingly sophisticated theoretical models show the impressive progress being made in our understanding of planet formation and evolution, heralding the era of 'comparative planetology' as a new, expanding interdisciplinary research field. IAU S276 also examines the strategic planning exercises of both the science community and space agencies and ongoing preparations and developments of future ground-based and space-borne observatories devoted to the detection and characterization of extrasolar planets. This stimulating volume constitutes an important reference for both young scientists and seasoned researchers, who will contribute to the frontier of research in the field during the next decade.
Inbunden, Engelska, 2011
1 006 kr
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IAU Symposium 271 enhances our understanding of some of the important dynamical processes that are ubiquitous in many objects in the Universe, from stars like our Sun to galaxies. A wide range of temporal and spatial scales are generally present, so instabilities, highly nonlinear states and turbulence play a central role. Understanding the behaviour and evolution of such systems requires high-accuracy, multi-scale observations and thoughtful analysis of the data gathered, coupled with detailed theoretical study. High-performance numerical simulations have become an essential and revealing tool for assessing the often subtle highly nonlinear regime of such models. In IAU S271 world experts share their knowledge and perspectives on the latest advances in studying the common underlying processes from the field of nonlinear astrophysical dynamics. The symposium also celebrates the long and illustrious career of Professor Juri Toomre and his achievements in many realms of astrophysical dynamics.
Inbunden, Engelska, 2011
1 006 kr
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The importance of connecting astrophysical theory, observations, simulations and laboratory astrophysics is nowadays widely appreciated by the scientific community. IAU Symposium 274 discusses recent observational, theoretical and experimental efforts in understanding the basic plasma processes in the Universe at all scales, from the primordial plasmas of the early Universe to stellar and laboratory plasmas. Experts from different fields examine topics including: the origin and dynamics of magnetic fields in astrophysical systems (the dynamo problem); the origin of x-ray emitting coronas and the role of magnetic reconnection; the acceleration of charged particles; winds and jets from highly-evolved stars and supernova remnants; plasma radiation processes; turbulence of the magnetized plasma in astrophysical objects and in the ISM, IGM and the solar wind; quantum plasmas under extreme conditions in planetary interiors and in exotic stars; and many other key problems in modern plasma astrophysics.
Inbunden, Engelska, 2011
1 006 kr
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IAU Symposium 272 presents an overview of the latest research into active OB stars. These massive, volatile objects serve as test beds for extreme conditions, and research into them has entered a new era with the advent of new space and round-based instrumentation. In this volume, renowned experts discuss the cutting-edge observations, state-of-the-art modeling and recently developed techniques such as asteroseismology, interferometry and spectropolarimetry that have improved our understanding of these extreme objects. Asteroseismology allows us to infer the internal structure of massive stars and their rotation; high-resolution spectropolarimetry provides clues about magnetic fields and the confinement of their circumstellar environments; and interferometry probes the shape of these environments and investigates differential rotation. Written for researchers and graduate students, this volume will appeal to all those interested in extreme physical processes as tools to study structure evolution and mass loss of active OB stars.
Inbunden, Engelska, 2011
1 045 kr
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Astronomy has made enormous progress over the past decades and engages public and media interest as never before. IAU Symposium 260, held at the start of the IAU-UNESCO International Year of Astronomy 2009, addresses questions relevant to the role of astronomy in the modern world and its links to culture and society. The current volume brings together a wide range of experts and practitioners to share plans and experiences and to discuss ways in which astronomy might contribute to education, development, culture and the arts. Topics covered include: the historical framework; the social impact of astronomy; astronomy, the media and society; astronomy and the arts; public understanding of astronomy; the activities of amateur astronomers; and astronomy in the information age. This book is of value to practising scientists with an interest in the wider cultural aspects of their research, scientific policy makers and the general public.
Inbunden, Engelska, 2011
1 006 kr
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The rapid advance of computer capabilities over the last two decades has opened up a new field of numerical simulations in which detailed physical models can be made to represent the most complex processes. IAU Symposium 270 reviews a wide range of topics relevant to computer modeling in the fields of interstellar gas dynamics, star formation and galactic dynamics. It includes numerical techniques for modeling physical processes such as self-gravitating, radiative magnetohydrodynamics, as well as novel hardware options for acceleration and a view into the future of computation. Observations of interstellar gas and star formation are also reviewed. This book is ideal for graduate students and researchers in the field of numerical astrophysics.
Inbunden, Engelska, 2010
1 006 kr
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These Transactions provide a record of the formal organisational and administrative proceedings of the IAU XXVII General Assembly which took place in Rio de Janeiro, Brazil. It includes the admission of new members, the Resolutions passed, an account of the regular Business Meetings of the Executive Committee, the Divisions, Commissions and Working Groups, and gives the detailed status of the Membership of the IAU. 2434 registered attendees from 76 nations enjoyed a rich scientific programme of 6 Symposia, 16 Joint Discussions, 10 Special Sessions, and 7 scientific sessions. During the programme over 700 papers were presented and more than 1500 posters displayed. The Proceedings of the Symposia are published in the Proceedings of the IAU Symposia Series, and those of the Invited Discourses, Joint Discussions and Special Sessions will feature in Highlights of Astronomy, Volume 15. Together with those 7 volumes, these Transactions cover the entire General Assembly.
Inbunden, Engelska, 2006
1 551 kr
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Dwarf galaxies offer a valuable insight into the physical processes that govern galaxy formation and evolution at high redshift. These elusive stellar systems are helping astronomers to find answers to some of the most burning questions in extragalactic astronomy. Present-day dwarf galaxies, the easily studied survivors of the primordial galaxy population, are important targets for research in the quest to provide local benchmarks for cosmological studies, in particular theories of structure formation. The proceedings of IAUC198 offer an exciting multidisciplinary collection of research results. The interpretation of the faint blue galaxy excess; the mismatch of the observed dwarf galaxy numbers with popular cosmological model predictions; and the puzzling diversity of star-formation histories among Local Group dwarf elliptical galaxies, are amongst the topical questions covered. Dwarf galaxy specialists and cosmologists map out strategies and outline a framework for progress on important issues related to near-field cosmology with dwarf elliptical galaxies.
Inbunden, Engelska, 2007
1 473 kr
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Near Earth Objects (NEOs), asteroids and comets, are the closest neighbors of the Earth-Moon system. They allow research not yet possible on more distant bodies. The IAU Symposium 236 focused on the specific observation and modeling techniques for NEOs, including radar, exploration by spacecraft, measurement of non-gravitational perturbations; also on the next generation surveys expected to increase a hundred-fold the NEO discovery rate. With data from first generation NEO surveys, we now understand how they formed and evolve, dynamically and physically, opening a window on the universal astrophysical phenomenon of collision, leaving clear markings on the surfaces of planets, including the Earth. NEOs with orbits crossing that of the Earth are also a source of impact risks and potential NEO collisions with the Earth represent a long term threat. Mankind has to put in place a chain of mitigating actions; NEO astronomers have successfully put in place the first link.
Inbunden, Engelska, 2007
1 110 kr
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Until recently, black holes were often considered as exotic objects of dubious existence. In the last decade, observations have provided overwhelming evidence in favour of the presence of supermassive black holes at the centre of galaxies, including the Milky Way; of stellar-mass black holes in binary stellar systems; and, possibly, of intermediate-mass black holes in ultraluminous X-ray sources in nearby galaxies. Black holes are now widely accepted as real physical entities, playing an important role in modern astrophysics. IAU S238 brought together observers and theoreticians working in black hole astrophysics - from stellar-mass black holes to supermassive ones residing at the centre of galaxies - with the aim of highlighting and discussing similarities in the physics involved. Leading researchers review the subject and report on recent results on accretion discs, relativistic jets, spectroscopy in different spectral bands - from X-rays to radio - and other aspects of black hole astrophysics.
Inbunden, Engelska, 2008
1 149 kr
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Stars form surrounded by a circumstellar disk which is thought to be the cradle of planets. IAU Symposium 243 highlights the latest developments in understanding the structure and evolution of the star-disk interaction region in young stars, a critical component of our knowledge of star and planetary system formation processes. Discussions review the physical processes thought to be at work at the star-disk interface, confront the predictions of the latest numerical and analytical magnetohydrodynamic models of star-disk-jet systems with observations, and explore the consequences of these processes for stellar angular momentum evolution and inner disk structure. The most recent observational results, computer simulations and theoretical developments in this active field of research are included to provide a unique vision into this central aspect of the star and planet formation problem.
Inbunden, Engelska, 2007
1 149 kr
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This volume presents papers concerning astronomy education and research in developing countries presented at a special session at the IAU 26th General Assembly in Prague. It gives a picture of the present state of astronomy in five major developing regions of the world: Latin America, Africa, Central Asia, the Far East and Eastern Europe. The book covers education and research, and also public outreach. New astronomy projects in developing countries are described, and initiatives to promote astronomy and space science from the UN and organizations other than the IAU are also covered. It finishes with a discussion of the future role of virtual observatories in developing countries and the concept of a Third World Astronomy Institute. This volume will be useful resource and reference for astronomers interested in promoting and supporting astronomy and space science around the world.
Inbunden, Engelska, 2009
1 305 kr
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Estimating accurate stellar ages is one of the most difficult challenges in astrophysics. A star's age cannot be measured directly, and currently we only know the accurate age for one star: the Sun. Stellar ages lie at the heart of much of astrophysics. The accurate determination of timescales for physical processes in the stars allows us to compare the properties of stars at different stages in their lives. In IAU Symposium 258 astrophysicists from around the world discuss the current state of the problem of estimating ages of stars and stellar populations. They describe their efforts to better constrain the ages of individual stars and groups of stars through improved observations and physical models. IAU S258 highlights where the advances are being made and predicts what the near future offers.
Inbunden, Engelska, 2025
1 290 kr
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Today's astronomical observatories are generating more data than ever, from surveys to deep images. Machine learning methods can be a powerful tool to harness the full potential of these new observatories, as well as large archives that have accumulated. However, users should beware of common pitfalls, including bias in data sets and overfitting. IAU Symposium 368 addresses graduate students, teachers and professional astronomers who would like to leverage machine learning to unlock these huge volumes of data. Researchers pushing the frontiers of these methods share best practices in applied machine learning. While this volume is focused on astronomy applications, the methodological insights provided are relevant to all data-rich fields. Machine learning novices and expert users will find and benefit from these fresh new insights.
Inbunden, Engelska, 2024
1 523 kr
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This symposium honors the contributions of Charlotte Moore Sitterly as a pioneer of spectroscopy, and astronomical spectroscopy in particular. The need for precise and accurate laboratory data in astrophysics has not diminished. Every time better spectrographs are built or new wavelength domains explored, we find critical information missing that is needed for analyses to derive abundances or to compare models of stars and planets to observations, in order to more fully understand the universe that we observe. IAU Symposium 371 encompassed nearly all the science themes that the IAU covers, from near to far in the universe, and at all wavelengths. But it concerned more than lab work in and of itself and brought together laboratory astrophysicists with the people who use that information, to learn about current advances and limitations, and future needs. A broad spectrum of the IAU's membership can benefit from these proceedings.
Inbunden, Engelska, 2023
1 344 kr
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Winds form an integral part of astronomy - from regulating rotation of stars through enriching galaxies with fresh materials. Outflowing winds persist during the entire lives of stars and play a key role in shaping the exoplanet demographics we observe. In massive stars, their winds are a vital ingredient of their evolution, from the main sequence to the pre-supernova stage, determining black hole masses as measured from gravitational waves. In the case of low-mass stars, their winds dictate rotational evolution, which affect angular momentum distribution within the stellar interior and thus the generation of magnetic fields. In the case of planets, winds take the form of atmospheric escape, which can strongly affect their atmospheric evolution. IAU Symposium 370 brings together researchers on winds of exoplanets and stars, including the solar wind, to share insights into the physics and modelling tools used by these different communities.
Inbunden, Engelska, 2023
1 642 kr
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Multi-messenger science has a long history in solar astronomy, as direct measures of "in-situ" particles emanating from the Sun, like the solar wind, have long been used alongside remote observations to shape our understanding of the heliosphere. Still, the recent advent of several major observational facilities, such as Parker Solar Probe, Solar Orbiter, and the Inouye Solar Telescope, among many others, is now heralding an exciting new era of scientific opportunities within multi-messenger solar physics. This volume collects the proceedings of IAU Symposium 372 held during the XXXIst IAU General Assembly in Busan, Republic of Korea. Its main goal is to highlight how these facilities can address many of the pressing questions facing contemporary solar physics, with a special emphasis on their coordinated operation and the resulting synergies. Graduate students and researchers in solar physics will benefit from the many new results presented within.
Inbunden, Engelska, 2023
1 657 kr
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Blazars, the most extreme active galactic nuclei with powerful relativistic jets extending out to kiloparsecs from their central engine, are among the most intriguing and consistently bright objects in the observable Universe. Understanding how they form and shine has been a cumbersome endeavor since their discovery in the 1960s, with several fundamental questions remaining open to this day. The 2020s mark the beginning of a new era of large-scale surveys, multimessenger astrophysics, high-energy polarization, and extreme angular resolution, setting the ideal stage to study astrophysical jets. IAU Symposium 375 was the first IAU symposium to take place in Nepal. It brought together experts from all aspects of the blazar community to facilitate the building of new collaborative efforts to take advantage of the wealth of incoming data that will help provide answers to long-standing questions. It also supported local efforts to promote astrophysics and astrophysical research in Nepal.
Inbunden, Engelska, 2026
1 279 kr
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The end of humanity has been a topic of great concern across ages and civilizations. Over the last several decades, studies have allowed us to better understand the most likely threats to life on Earth, both in the past and the future. IAU Symposium 374 covers potential hazards caused by astronomical phenomena. These proceedings present a comparative analysis of these possible astronomical catastrophes that could lead to a new extinction. Throughout the volume, the authors analyse different aspects of the main risk identified: the impact of near-Earth asteroids and the meteor phenomena. The discovery, monitoring and dynamical evolution of near-Earth asteroids are discussed. This symposium represents one of the first attempts to address the transdisciplinary topic of life-threatening hazards originating from beyond our planet, including current and future mitigation strategies.
Inbunden, Engelska, 2024
1 512 kr
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Our comprehension of the assembly and evolution of galaxies has witnessed remarkable advancements in recent years. While the Gaia spacecraft has provided unprecedented knowledge of the Milky Way's assembly, the launch of the James Webb Space Telescope (JWST) has propelled the study of galaxy evolution into an exciting new era. Early discoveries of JWST have revealed high-redshift galaxies that defy our expectations. These conundrums must be resolved through multi-wavelength observations, simulations, and theoretical models as emphasized in this volume, which contains a selection of papers presented at IAU Symposium 377, held about two years after the launch of JWST. These papers showcase studies of galaxy formation, evolution, interaction, chemical abundances and stellar populations from cosmic down to the Milky Way. These proceedings offer an updated view of recent advances and current problems and is suitable for both active researchers in the field and graduate students.
Inbunden, Engelska, 2024
1 564 kr
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IAU Symposium 378 covers one of the main astrophysical topics about black holes: the production of outflows, propagating at different scales. In the past decade, evidence has been mounting about the role of outflows in the evolution of the surrounding environment, in particular their so-called "feedback" effect on the star-forming capabilities of the galaxy hosting the black hole. This broad topic brought together observers of many different wavebands, with a multitude of observational aspects being presented, including latest results from JWST, GRAVITY, Hubble, ALMA, and VLBA. Sessions were also dedicated to theoretical aspects of black hole outflows, discussing a variety of simulations for magnetic and thermally driven winds, cases from extreme mass accretion rates to advection dominated flows, and topics of radiative driving and radiative transfer. These proceedings provide a picture of the field's status, highlighting currently debated topics, and suggesting possible new routes for the future developments.
Inbunden, Engelska, 2024
1 642 kr
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Cosmic masers have been employed as unique probes of various astronomical objects and environments, ranging from newly born stars and evolved stars, the interstellar medium to active galactic nuclei. The maser scientific community is diverse and multidisciplinary but has long been tied together through the common background of physics and observational techniques. Time-domain studies from daily to decade-long monitoring of maser sources are also in progress with various telescopes from many different research teams in the world. Multiwavelength studies on maser sources have also proliferated, involving strong synergies with large facilities such as ALMA, JVLA, Gaia, and various VLBI networks. This volume gives a comprehensive, up-to-date review of cosmic masers as presented at IAU Symposium 380, the sixth international maser symposium. It also describes intensive discussion about ongoing and future projects relevant to maser science, such as global and new regional VLBI networks, SKA, and ngVLA.
Inbunden, Engelska, 2024
1 564 kr
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During recent decades, strong gravitational lensing has become a powerful tool to study astronomical objects with widely different physical scales. It has also proven to be a promising diagnostic that can solve outstanding problems in cosmology. Now is a critical time for strong lensing research, as forthcoming large surveys (Euclid, Roman Space Telescope, Rubin Observatory and CSST) will map the entire sky and increase the number of known lenses from a few hundred to around 100,000. Concurrently, observations of lenses with current and forthcoming instruments (ALMA, JWST, E-ELT) will spatially resolve scales that are beyond the reach of telescopes for objects in the distant Universe. These new data will revolutionise our understanding of galaxy and structure formation, and offer unprecedented cosmological applications. In IAU Symposium 381, members of observational and theoretical communities review our preparedness for this new era, to discuss advanced statistical techniques, and to foster new collaborations.
Inbunden, Engelska, 2024
1 564 kr
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IAU Symposium 382, Complex Planetary Systems II (CPS II), presented a real opportunity to show the power of interdisciplinary collaboration through gathering astronomers of many disciplines together. Complex systems are those composed of interacting parts whose local behavior, resulting from the interactions between them, cannot provide a complete understanding of the global, macroscopic behaviour. This requires complex systems to be studied by transdisciplinary teams, who together are able to understand the whole construction and critically analyze the connections among the different levels of description. The huge number of available observations, from ground and space, their improved precision, and the computational power available today, have spectacularly changed the nature of the dynamical models, especially for planetary evolution studies. CPS II, a Kavli-IAU Symposium, opened new doors, created collaborations, exchanges of ideas, and combinations of techniques - sometimes unexpected - to meet the challenges of the complex astronomical systems.
Inbunden, Engelska, 2026
1 564 kr
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Mass is one of the most fundamental quantities that characterise stellar systems, from star clusters to large galaxies. It determines both the internal dynamics of the system and its gravitational interaction with other systems. For the galaxies in the Local Group, a real revolution in the topic has occurred with the Gaia satellite that provides six-dimensional data (three-dimensional positions and velocities) for almost 1.5 billion sources, located both in the Milky Way and in Local Group galaxies. IAU Symposium 379 gathered together the community working on this topic to discuss and collect recent advances and provide an opportunity for researchers to meet, exchange ideas, and compare methods and hypothesis. Measuring galaxy masses at different scales in the Local Group impacts a broad range of astronomy, from stars and star clusters, to the Milky Way, distant galaxies, and cosmology.
Inbunden, Engelska, 2026
1 279 kr
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An unprecedented new era in human uses of outer space began in 2019 with the first-ever deployment of a 'constellation' of satellites that will eventually number in the thousands. As the rate of new satellite launches increased in following years, changes to the night sky from optical to radio wavelengths became apparent. Astronomers, innovators, space-law experts and Indigenous elders gathered in 2023 to consider the social, scientific and cultural ramifications of the 'New Space' regime dominated by commercial actors. The contributions in this edited volume span a wide range of topics from the technical to the legal, their authors grappling with a key question: how can science, society and private space companies co-exist harmoniously while pursuing their respective interests? IAU S385 will be of value to anyone concerned with understanding the impacts that satellite constellations have on our ability to benefit from an unimpeded view of the night sky.
Inbunden, Engelska, 2025
1 279 kr
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Planetary nebulae are generated when the outer layers of intermediate-mass stars are ejected during the second giant expansion after core helium burning has ceased. The star, ultimately destined to becoming a white dwarf, ionises the ejecta revealing intricate nebular shapes. Over the years, the initial awe inspired by these beautiful displays has turned into the realisation of the vast number of astrophysical questions that can be tackled using planetary nebulae. This volume collects a series of contributions to IAU Symposium 384, which show the breadth of problems that can be addressed with these objects: from the dynamical and chemical evolutions of galaxies and clusters, to the evolution of stars, to binary interactions, and to the exploration of the chemistry of life. Researchers from many astronomical fields can discover how observational tools from planetary nebulae can be applied to inform and benefit their own work.
Inbunden, Engelska, 2026
1 316 kr
Kommande
Astronomy in Focus presents selected contributions from the scientific Focus Meetings chosen to be held at IAU General Assemblies. This edition is for the XXXI General Assembly for which the non-business sessions were held in Busan, 2-11 August 2022 following a one-year delay in consequence of the COVID pandemic. Focus Meetings are proposed by groups of scientists with an aim to promote cross-disciplinary interactions while maintaining a well-defined focus on a particular topic. They often address a new scientific area or an emerging field. At the IAU XXXI General Assembly, ten focus meetings complemented the scientific program of seven Symposia that are published separately. The Focus Meetings represented here cover dark and quiet sky protection, together with phenomena related to the Solar System and exoplanets, stars and star clusters, relativistic jets, the intracluster medium, and cosmic shear.
Inbunden, Engelska, 2026
1 279 kr
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Thirty years on from the discovery of the first exoplanets, our focus is now turning to the search for signs of possible life on these worlds through the detection of atmospheric biosignatures. In parallel, the search for extraterrestrial intelligence and technosignatures is being revolutionised as the new era of time-domain survey astronomy gets underway. Together with new planetary science missions within the Solar System, the search for life beyond Earth is entering a new data-rich era. But, when the discoveries come, what will they mean and how should they be communicated to the scientific community and wider society in the era of social media and fake news? This volume distils the latest multi-disciplinary perspectives, encompassing the nature of life in a cosmic context, astronomical search methods and interpretative frameworks, as well as insights into the cultural and societal impacts of such a high-profile discovery.