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A comprehensive handbook to the planets, stars and constellations visible from the southern hemisphere. 6 pages for each month covering January-December 2021. Diagrams drawn for the latitude of southern Australia, but including events visible from New Zealand and South Africa. Written and illustrated by astronomical experts, Storm Dunlop and Wil Tirion. Content includes: * Advice on where to start looking * Easy-to-use star maps for each month with descriptions of what to see * Special, detailed charts for positions of planets, minor planets and comets in 2021 * Seasonal charts * Details of dark sky sites * Details of objects and events you might see in 2021 * Diagrams of notable events visible from Australia, and some for New Zealand and South Africa Also available: A month-by-month guide to exploring the skies above Britain and Ireland and A month-by-month guide to exploring the skies above North America.
These Transactions provide a record of the organisational and administrative activities of the IAU XXIX General Assembly which took place in Honolulu, Hawai'i, USA, in August 2015. They report and record all of the essential decisions taken by the governing body of the IAU. These include the approval of the financial accounts and of the proposed budget for the next three years, the admission of new national and individual members, the evaluation of Division and Commission reports, and the approval of Resolutions. This General Assembly also completed the internal restructuring that began in 2012, with the approval of thirty-five new Commissions, together with their elected Presidents and Organising Committees. A further change to the scientific programme of the XXIX General Assembly was the substitution of the Joint Discussions meetings and Special Sessions with a single entity, designated as Focus Meetings and published in the new 'Astronomy in Focus' series.
You Are Here is a dazzling exploration of the universe and our relationship to it, as seen through the lens of today's most cutting-edge scientific thinking. Here, for the first time in a single span, is the life of the universe, from quarks to galaxy superclusters and from slime to Homo sapiens. Christopher Potter brilliantly tells the story of how something evolved from nothing and how something became everything; how the universe was once a moment of perfect symmetry and is now 13.7 billion years of history. With wisdom and wonder, Potter traverses the cosmos from its conception to its eventual end--while exploring everything in between.
J. Richard Gott was among the first cosmologists to propose that the structure of our universe is like a sponge made up of clusters of galaxies intricately connected by filaments of galaxies--a magnificent structure now called the "cosmic web" and mapped extensively by teams of astronomers. Here is his gripping insider's account of how a generation of undaunted theorists and observers solved the mystery of the architecture of our cosmos. The Cosmic Web begins with modern pioneers of extragalactic astronomy, such as Edwin Hubble and Fritz Zwicky. It goes on to describe how, during the Cold War, the American school of cosmology favored a model of the universe where galaxies resided in isolated clusters, whereas the Soviet school favored a honeycomb pattern of galaxies punctuated by giant, isolated voids. Gott tells the stories of how his own path to a solution began with a high-school science project when he was eighteen, and how he and astronomer Mario Juri? measured the Sloan Great Wall of Galaxies, a filament of galaxies that, at 1.37 billion light-years in length, is one of the largest structures in the universe. Drawing on Gott's own experiences working at the frontiers of science with many of today's leading cosmologists, The Cosmic Web shows how ambitious telescope surveys such as the Sloan Digital Sky Survey are transforming our understanding of the cosmos, and how the cosmic web holds vital clues to the origins of the universe and the next trillion years that lie ahead.
The purpose of the book is a dual one: to detail the nature and results of Tunguska investigations in the former USSR and present-day CIS, and to destroy two long-standing myths still held in the West. The first concerns alleged "final solutions" that have ostensibly been found in Russia or elsewhere. The second concerns the mistaken belief that there has been little or no progress in understanding the nature of the Tunguska phenomenon. All this is treated by the author in a scholarly and responsible manner. Although the book does present certain unusual findings of Russian and Ukrainian scholars, it is important to stress that this is not a sensational book; it is, rather, a serious exposition of the results of rational investigations into a difficult scientific problem. We are demonstrating the true complexity of the problem that is now entering its second century of existence. Simple meteoritic models cannot explain all the characteristics of this complicated event, and therefore certain so-called "unconventional hypotheses" about the nature of the Tunguska explosion are to be considered as well.
Present-day elliptical, spiral and irregular galaxies are large systems made of stars, gas and dark matter. Their properties result from a variety of physical processes that have occurred during the nearly fourteen billion years since the Big Bang. This comprehensive textbook, which bridges the gap between introductory and specialized texts, explains the key physical processes of galaxy formation, from the cosmological recombination of primordial gas to the evolution of the different galaxies that we observe in the Universe today. In a logical sequence, the book introduces cosmology, illustrates the properties of galaxies in the present-day Universe, then explains the physical processes behind galaxy formation in the cosmological context, taking into account the most recent developments in this field. The text ends on how to find distant galaxies with multi-wavelength observations, and how to extract the physical and evolutionary properties based on imaging and spectroscopic data.
You have just discovered the literary masterpiece that answers your questions about God, life in the inhabited universe, the history and future of this world, and the life of Jesus. The Urantia Book harmonizes history, science, and religion into a philosophy of living that brings new meaning and hope into your life. If you are searching for answers, read The Urantia Book! The world needs new spiritual truth that provides modern men and women with an intellectual pathway into a personal relationship with God. Building on the world's religious heritage, The Urantia Book describes an endless destiny for humankind, teaching that living faith is the key to personal spiritual progress and eternal survival. These teachings provide new truths powerful enough to uplift and advance human thinking and believing for the next 1000 years. A third of The Urantia Book is the inspiring story of Jesus' entire life and a revelation of his original teachings. This panoramic narrative includes his birth, childhood, teenage years, adult travels and adventures, public ministry, crucifixion, and 19 resurrection appearances. This inspiring story recasts Jesus from the leading figure of Christianity into the guide for seekers of all faiths and all walks of life.
On July 21, 1969, the first man set foot on The Moon. When Neil Armstrong was asked if this made him feel big, he answered: "No, it made me feel really, really small." 50 years later, this publication celebrates that special moment that put life on earth into a totally different perspective. It collects pictures of the world's best photographers from the 1840s until today. Next to historical photographs and imagery printed in media, the publication features many artists that each in their own way reflect on this mystical celestial body, we call 'moon'. The book shows the diversity of meanings of The Moon, it's relation to mankind and to nature. The Moon has always both attracted and scared people around the world. It is our everyday connection to the unfathomable universe. Since time immemorial it is revered for its beauty, its stillness and mysterious appearance and yet also feared for its supernatural-seeming qualities. In mythology The Moon has always been given a central place. With its magnetic forces it changes the tides and has a direct and uncontrollable impact on mankind from above. In 1840, barely three years after the invention of photography, J.W. Draper makes the first picture ever made of The Moon and since that day photographers have never stopped following his example. The paradoxical aspects of the moon continue to fascinate and inspire. Like a photograph The Moon depends on sunlight to be visible. It has no light of its own and no apparent strength to resist our nightly city lights either. Photographers feel this close connection to The Moon's characteristics and find the perfect object in its aesthetics. The landing on The Moon was a culmination point of the1960's Space Race between the United States and the Soviet Union, which quickly became a symbol of the Cold War. The images of the landing became the bearer of values and symbols of the United States and were widely spread through various media. In 1973 NASA abolished its moon program. The Moon had been conquered and the public seemed to have had lost interest. However, today people still find The Moon fascinating, and humanity continues to dream about setting foot on the sun's shadow.
Roger Penrose, one of the most accomplished scientists of our time, presents the only comprehensive and comprehensible account of the physics of the universe. From the very first attempts by the Greeks to grapple with the complexities of our known world to the latest application of infinity in physics, "The Road to Reality" carefully explores the movement of the smallest atomic particles and reaches into the vastness of intergalactic space. Here, Penrose examines the mathematical foundations of the physical universe, exposing the underlying beauty of physics and giving us one the most important works in modern science writing.
The Astrophotography Manual, Second Edition is for photographers ready to move beyond standard SLR cameras and editing software to create beautiful images of nebulas, galaxies, clusters, and the stars. Beginning with a brief astronomy primer, this book takes readers through the full astrophotography process, from choosing and using equipment to image capture, calibration, and processing. This combination of technical background and hands-on approach brings the science down to earth, with practical methods to ensure success. This second edition now includes: Over 170 pages of new content within 22 new chapters, with 600 full-color illustrations. Covers a wide range of hardware, including mobile devices, remote control and new technologies. Further insights into leading software, including automation, Sequence Generator Pro and PixInsight Ground-breaking practical chapters on hardware and software as well as alternative astrophotography pursuits
Stars are mostly found in binary and multiple systems, with at least 50% of all solar-like stars having companions; this fraction approaches 100% for the most massive stars. A large proportion of these systems interact and alter the structure and evolution of their components, leading to exotic objects such as Algol variables, blue stragglers and other chemically peculiar stars, but also to phenomena such as non-spherical planetary nebulae, supernovae and gamma-ray bursts. While it is understood that binaries play a critical role in the Initial Mass Function, the interactions among binary systems significantly affect the dynamical evolution of stellar clusters and galaxies. This interdisciplinary volume presents results from state-of-the-art models and observations aimed at studying the impact of binaries on stellar evolution in resolved and unresolved populations. Serving as a bridge between observational and theoretical astronomy, it is a comprehensive review for researchers and advanced students of astrophysics.
Chondrules are spherical silicate grains which formed from protoplanetary disk material, and as such provide an important record of the conditions of the Solar System in pre-planetary times. Chondrules are a major constituent in chondritic meteorites, however despite being recognised for over 200 years, their origins remain enigmatic. This comprehensive review describes state-of-the-art research into chondrules, bringing together leading cosmochemists and astrophysicists to review the properties of chondrules and their possible formation mechanisms based on careful observations of their chemistry, mineralogy, petrology and isotopic composition. Current and upcoming space missions returning material from chondritic asteroids and cometary bodies has invigorated research in this field, leading to new models and observations, and providing new insight into the conditions and timescales of the solar protoplanetary disk. Presenting the most recent advances, this book is an invaluable reference for researchers and graduate students interested in meteorites, asteroids, planetary accretion and solar system dynamics.
Top ten Sunday Times Bestseller 'Engaging, ambitious and creative' Guardian Where are we? Are we alone? Who are we? Why are we here? What is our future? Human Universe tackles some of the greatest questions that humans have asked to try and understand the very nature of ourselves and the Universe in which we live. Through the endless leaps of human minds, it explores the extraordinary depth of our knowledge today and where our curiosity may lead us in the future. With groundbreaking insight it reveals how time, physics and chemistry came together to create a creature that can wonder at its own existence, blessed with an unquenchable thirst to discover not just where it came from, but how it can think, where it is going and if it is alone. Accompanies the acclaimed BBC TV series.
This book highlights selected contributions presented at the 15th annual international symposium Frontiers of Fundamental Physics (FFP15), with the aim of informing readers about the most important recent advances in fundamental physics and physics education research. The FFP series offers a platform for physicists from around the world to present their latest theories and findings. The latest symposium was held in Orihuela, Spain and covered diverse fields of research, including gravitation, astronomy and astrophysics, physics of complex systems, high-energy physics, and mathematical physics. Considerable attention was also paid to physics education research, teacher education in physics, and the popularization of physics. In a knowledge-based society, research into fundamental physics plays a vital role in both the advancement of human knowledge and the development of new technologies. Presenting valuable new peer-reviewed contributions submitted from 15 countries, this book will appeal to a broad audience of scholars and researchers.
David Christian, creator of Big History ('My favourite course of all time' Bill Gates), brings us the epic story of the universe and our place in it, from 13.8 billion years ago to the remote future 'Nails home the point: Life is a miracle ... A compelling history of everything' Washington Post 'Spectacular' Carlo Rovelli How did we get from the Big Bang to today's staggering complexity, in which seven billion humans are connected into networks powerful enough to transform the planet? And why, in comparison, are our closest primate relatives reduced to near-extinction? Big History creator David Christian gives the answers in a mind-expanding cosmological detective story told on the grandest possible scale. He traces how, during eight key thresholds, the right conditions have allowed new forms of complexity to arise, from stars to galaxies, Earth to homo sapiens, agriculture to fossil fuels. This last mega-innovation gave us an energy bonanza that brought huge benefits to mankind, yet also threatens to shake apart everything we have created. 'Rather like the Big Bang, the book is awe-inspiring ... Superb' The Times 'With fascinating ideas on every page and the page-turning energy of a good thriller, this is a landmark work' Sir Ken Robinson, author of The Element
The classic account of the structure and evolution of the early universe from Nobel Prize-winning physicist P. J. E. Peebles An instant landmark on its publication, The Large-Scale Structure of the Universe remains the essential introduction to this vital area of research. Written by one of the world's most esteemed theoretical cosmologists, it provides an invaluable historical introduction to the subject, and an enduring overview of key methods, statistical measures, and techniques for dealing with cosmic evolution. With characteristic clarity and insight, P. J. E. Peebles focuses on the largest known structures-galaxy clusters-weighing the empirical evidence of the nature of clustering and the theories of how it evolves in an expanding universe. A must-have reference for students and researchers alike, this edition of The Large-Scale Structure of the Universe introduces a new generation of readers to a classic text in modern cosmology.
Reveals the ancient mathematical principles refuting the notion of
the solar system as an accidental creation
The cycle of day and night and the cycle of seasons are two familiar natural cycles around which many human activities are organized. But is there a third natural cycle of importance for us humans? On 13 March 1989, six million people in Canada went without electricity for many hours: a large explosion on the sun was discovered as the cause of this blackout. Such explosions occur above sunspots, dark features on the surface of the Sun that have been observed through telescopes since the time of Galileo. The number of sunspots has been found to wax and wane over a period of 11 years. Although this cycle was discovered less than two centuries ago, it is becoming increasingly important for us as human society becomes more dependent on technology. For nearly a century after its discovery, the cause of the sunspot cycle remained completely shrouded in mystery. The 1908 discovery of strong magnetic fields in sunspots made it clear that the 11-year cycle is the magnetic cycle of the sun. It is only during the last few decades that major developments in plasma physics have at last given us the clue to the origins of the cycle and how the large explosions affecting the earth arise. Nature's Third Cycle discusses the fascinating science behind the sunspot cycle, and gives an insider's perspective of this cutting-edge scientific research from one of the leaders of the field.
The journey into space is a dangerous one, and although some aspects of space travel seem to be routine it still takes humanity to the limits of what is technically possible. It is an environment that forgives no mistake, and where carelessness usually has fatal consequences. This book records more than a dozen American and Soviet space disasters from 1967 to the present day. Presented are tragic and near tragic missions such as NASA's Gemini 6A and 8, Apollo 1 and 13, the Challenger and Columbia space shuttle disasters, as well as the Soviets' Soyuz 1, 11, and 18-1, and more. The concise and detailed history is presented along with rare photographs, transcripts of mission conversations, as well as detailed timelines.
Astronomers are at a crucial point in our understanding of the Milky Way. Deciphering the assembly history of our galaxy requires detailed mapping of the structure, dynamics, chemical composition, and age distribution of its stellar populations. In the last decade, astrometric, spectroscopic, photometric, and asteroseismic surveys have started to unveil the inner- and outermost regions of the Milky Way. IAU Symposium 334 explores the still open questions and focusses on the concepts emerging from the analysis of these large, new, and complex datasets. This volume presents a summary of these topics, including the current novel data and the challenges they already pose to modeling, before Gaia end-of-mission, PLATO, and large spectroscopic surveys such as WEAVE and 4MOST are about to start. Graduate students and researchers will learn that, in this golden era of galactic archaeology, we are about to rediscover our galaxy.
"A Treatise the Astrolabe" by Geoffrey Chaucer is the work of an avid amateur astronomer who happened also to be England's greatest medieval poet. A user of the astrolabe can plot the movement of the stars, tell time, and calculate numerous other results. Chaucer translated and revised a standard Latin treatment of the astrolabe. His treatise, which is generally regarded as one of the first technical manuals in English and a model of how technical manuals should be written.
Not since 1872 has a free-standing edition of "A Treatise the Astrolabe" been published. Thanks to the expertise of its editor, Sigmund Eisner, who supplies sixty-eight illustrations, this Variorum edition provides a more detailed exposition than previously available. Eisner's extensive labors result in the first complete record of textual variants found in the thirty-two surviving manuscripts of the work and in all the major printed text published between 1532 and 1987. This landmark edition also presents a thorough digest of all published commentary on Chaucer's treatise.
Amplified by sixty-eight illustrations, this variorum edition of Chaucer's "A Treatise on the Astrolabe" provides a more detailed exposition of the treatise than has ever before been available.
This collection of beautiful images of space taken by photographers from all over the world comprises images from the first four years of the Astronomy Photographer of the Year competition, which is organized by the Royal Observatory, Greenwich, in association with Sky at Night Magazine, and powered by the photo-sharing website Flickr. From giant storm systems in Jupiter's atmosphere to the colourful wispy remnants of a supernova explosion and the dazzling green curtain of the Northern Lights, the competition brings together some of the last four years' best space imagery of astronomical objects from within our solar system and far into deep space by astrophotographers from around the world. All winning, runner-up and highly commended entries from all four years of the Astronomy Photographer of the Year competition are included, as well as all shortlisted images from the 2012 competition. The images are submitted in one of the following categories: * Earth and Space * Our Solar System * Deep Space * Young Astronomy Photographer of the Year And can also be entered for one of the special prizes: * Best Newcomer * People and Space * Robotic Scope Each image is accompanied by caption, photographer, location and technical details. More information about the competition and a short guide to taking astronomy photographs is included. Exhibition Every year the Royal Observatory, Greenwich hosts a free exhibition of the winners of the Astronomy Photographer of the Year competition, showcasing some incredible images of the sky. www.rmg.co.uk/astrophoto
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