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Books > Science & Mathematics > Astronomy, space & time > Popular astronomy

The Night Sky Month by Month (Hardcover): Dk The Night Sky Month by Month (Hardcover)
Dk
R442 R376 Discovery Miles 3 760 Save R66 (15%) Ships in 9 - 15 working days

Learn how to observe and navigate the night sky with this guide to stargazing for beginners! The dazzling reference book shines bright with crystal-clear charts of the planets, stars, and constellations in both the northern and southern hemispheres for each month of the year! It's perfect for anyone interested in stargazing and astronomy. This unique astronomy book explains and demystifies the changing night sky. It includes: - Illustrated overviews that introduce each month with a guide to the main attractions, such as bright stars, prominent constellations, and meteor showers - An introduction explains what the universe is, our place within it, how it appears to us in the night sky, and how our view of it changes with time and place - Each illustrated overview features a planet locator, showing the position of the planets during the month introduced - Charts that show the positions of all stars visible to the naked eye in even the darkest skies Discover a complete year-round atlas of the night sky! Filled with easy-to-use star charts showing the constellations, alongside specially commissioned artworks and photography, this space book has everything the budding astronomer needs to understand the night sky. You'll learn how to recognise different kinds of objects and see how they move through the sky over the course of the night and the year. Whether you're new to astronomy or a seasoned stargazer, The Night Sky Month by Month enables everyone to be awed by stargazing. It covers sky-watching without any equipment at all, as well as with the use of binoculars and telescopes. Plus, the newly updated edition features an astronomy calendar detailing the annual and one-off celestial events for the decade ahead, ensuring you'll never miss a visible planet or solar eclipse again. It's the perfect astronomy gift for adults fascinated with space.

This Way to the Universe - A Journey into Physics (Paperback): Michael Dine This Way to the Universe - A Journey into Physics (Paperback)
Michael Dine
R295 R231 Discovery Miles 2 310 Save R64 (22%) Ships in 5 - 10 working days

'Extraordinary' Leonard Susskind 'A rare event' Sean Carroll _____ When leading theoretical physicist Professor Michael Dine was asked where you could find an accessible and authoritative book that would teach you about the Big Bang, Dark Matter, the Higgs boson and the cutting edge of physics now, he had nothing he could recommend. So he wrote it himself. In This Way to the Universe, Dine takes us on a fascinating tour through the history of modern physics - from Newtonian mechanics to quantum, from particle to nuclear physics - delving into the wonders of our universe at its largest, smallest, and within our daily lives. If you are looking for the one book to help you understand physics, written in language anyone can follow, this is it. _____ 'A tour de force of literally all of fundamental physics' BBC Sky at Night magazine 'Everything you wanted to know about physics but were afraid to ask' Priyamvada Natarajan, author of Mapping the Heavens

Secrets of the Stones - New Revelations of Astro-Archaeology and the Mystical Sciences of Antiquity (Paperback): John Michell Secrets of the Stones - New Revelations of Astro-Archaeology and the Mystical Sciences of Antiquity (Paperback)
John Michell
R370 R311 Discovery Miles 3 110 Save R59 (16%) Ships in 10 - 15 working days

From the temples of Egypt to the stone circles of Britain, Michell traces the development of the science of astro-archaeology.

Chicxulub: The Impact and Tsunami - The Story of the Largest Known Asteroid to Hit the Earth (Paperback, Softcover reprint of... Chicxulub: The Impact and Tsunami - The Story of the Largest Known Asteroid to Hit the Earth (Paperback, Softcover reprint of the original 1st ed. 2017)
David Shonting, Cathy Ezrailson
R1,676 R1,414 Discovery Miles 14 140 Save R262 (16%) Ships in 10 - 15 working days

This book tells the story of the catastrophic impact of the giant 10 Km asteroid Chicxulub into the ancient Gulf of Mexico 65.5 million years ago. The book begins with a discussion of the nature of asteroids and the likelihood of future Earth-impacts. The story then turns to the discovery of a global sediment layer attributed to the fallout from the impact and a piecing together of the evidence that revealed a monster crater, buried under the Gulf. Reviewed is the myriad of geological and fossil evidence that suggested the disastrous sequence of events occurring when a "nuclear-like" explosion ripped through the sea, Earth, and atmosphere, thus forming the mega-crater and tsunami. The aftermath of the Chicxulub's event initiated decades and more of major global climate changes including a "Nuclear Winter" of freezing darkness and blistering greenhouse warming. A chapter is dedicated to the science of tsunamis and their model generation, including a portrayal of the globally rampaging Chicxulub waves. The asteroid's global devastation killed off some 70% of animal and plant life including the dinosaurs. The study of an ancient Cambrian fossil bed suggests how "roll of the dice" events can affect the future evolution of life on Earth. We see how Chicxulub's apparent destruction of the dinosaurs, followed by the their replacement with small mammals, altered forever the progress of human evolution. This book presents a fascinating glimpse through the lens of the natural sciences - the geology, climatology, and oceanography, of the effects of an enormous astronomical event.

Dark Mission - Revised and Enlarged Edition (Paperback, Enlarged edition): Richard C. Hoagland, Mike Bara Dark Mission - Revised and Enlarged Edition (Paperback, Enlarged edition)
Richard C. Hoagland, Mike Bara
R771 R635 Discovery Miles 6 350 Save R136 (18%) Ships in 9 - 15 working days

The "New York Times" bestseller about the strange history of NASA and its cover-ups regarding its origins and extraterrestrial architecture found on the moon and Mars is even more interesting in its new edition.

Authors Richard C. Hoagland and Mike Bara include a new chapter about the discoveries made by ex-Nazi scientist and NASA stalwart Wernher von Braun regarding what he termed "alternate gravitational solutions," or the rewriting of Newtonian physics into hyperdimensional spheres.

Making Waves - The Story of Ruby Payne-Scott: Australian Pioneer Radio Astronomer (Paperback, 2013 ed.): M. Goss Making Waves - The Story of Ruby Payne-Scott: Australian Pioneer Radio Astronomer (Paperback, 2013 ed.)
M. Goss
R1,316 R698 Discovery Miles 6 980 Save R618 (47%) Ships in 9 - 15 working days

This book is an abbreviated, partly re-written version of "Under the Radar - The First Woman in Radio Astronomy: Ruby Payne-Scott." It addresses a general readership interested in historical and sociological aspects of astronomy and presents the biography of Ruby Payne-Scott (1912 - 1981). As the first female radio astronomer (and one of the first people in the world to consider radio astronomy), she made classic contributions to solar radio physics. She also played a major role in the design of the Australian government's Council for Scientific and Industrial Research radars, which were in turn of vital importance in the Southwest Pacific Theatre in World War II. These radars were used by military personnel from Australia, the United States and New Zealand. From a sociological perspective, her career offers many examples of the perils of being a female academic in the first half of the 20th century. Written in an engaging style and complemented by many historical photographs, this book offers fascinating insights into the beginnings of radio astronomy and the role of a pioneering woman in astronomy. To set the scene, the first colourfully illustrated chapter presents an overview of solar astrophysics and the tools of the radio astronomer. From the reviews of "Under the Radar": "This is a beautifully-researched, copiously-illustrated and well-written book that tells us much more than the life of one amazing female radio astronomer. It also provides a profile on radar developments during WWII and on Australia's pre-eminent place in solar radio astronomy in the years following WWII. Under the Radar is compelling reading, and if you have taken the time to read right through this review then it certainly belongs on your bookshelf!" (Wayne Orchiston, Journal of Astronomical History and Heritage, March, 2010)

Eclipse! - The What, Where, When, Why and How Guide to Watching Solar and Lunar Eclipses (Paperback): Philip S. Harrington Eclipse! - The What, Where, When, Why and How Guide to Watching Solar and Lunar Eclipses (Paperback)
Philip S. Harrington
R86 Discovery Miles 860 Ships in 2 - 4 working days

The most complete guide to viewing eclipses—including details on every solar and lunar eclipse through 2017

Want to observe the most fleeting eclipse phenomena, take dramatic photos, and keep a detailed record of the experience? Now you can be prepared. This comprehensive one-stop resource covers everything you need to know about solar and lunar eclipses—why they happen, how to view them, how to photograph them, even when and where they will occur through the year 2017. Here's where to turn for:

  • Detailed explanations of eclipse mechanics and dynamics, viewing techniques, and what to look for, both in the sky and all around you
  • Extended discussions of eclipse photography and videography—film selection and developing, filter requirements, special care of equipment, and more
  • Intriguing individual and group activities you can carry out during an eclipse to heighten your enjoyment and deepen your understanding of the event
  • Detailed maps and discussions on how and where to best view each eclipse, plus travel considerations, likely weather conditions, and equipment recommendations

Whether you're a backyard astronomer, a dedicated eclipse chaser, or a teacher guiding students through their first eclipse experience, Eclipse! provides the in-depth, detailed, practical information you need to make the most of these thrilling celestial marvels of nature.

Rocket Science (Paperback): Alfred Zaehringer, Steve Whitfield Rocket Science (Paperback)
Alfred Zaehringer, Steve Whitfield
R471 Discovery Miles 4 710 Ships in 12 - 17 working days

Rocket Science. Two words which are synonymous with complexity. Two words which for many people signify the zenith of human genius. A phrase which has entered the English lexicon to describe the toughest discipline in human endeavour. Author Alfred Zaehringer has a unique perspective on both the phrase and the discipline. In this book, his first about space in nearly forty years, Alfred Zaehringer uses his lifetime of experience to take the mystery out of the phrase he coined. Beginning with a short history of the birth of rocketry he moves into an explanation of the physics that makes it possible to use rockets to fly in space. Leaving no stone unturned he moves on to the politics and economics of space-flight before providing a detailed cross-section of mans different uses of the reaction rocket to fly into the heavens. Finally he looks at the proposals for future methods of space transportation and looks at the many promising new technologies which may offer cheaper access to space.

Goldilocks and the Water Bears - The Search for Life in the Universe (Paperback): Louisa Preston Goldilocks and the Water Bears - The Search for Life in the Universe (Paperback)
Louisa Preston 1
R287 Discovery Miles 2 870 Ships in 12 - 17 working days

'Highly recommended' Financial Times Today we know of only a single planet that hosts life: the Earth. But across a Universe of at least 100 billion possibly habitable worlds, surely our planet isn't the only one that, like the porridge Goldilocks sought, is just right for life? Astrobiologists search the galaxy for conditions that are suitable for life to exist, focusing on similar worlds located at the perfect distance from their Sun, within the aptly named 'Goldilocks Zone'. Such a place might have liquid water on its surface, and may therefore support a thriving biosphere. What might life look like on other worlds? It is possible to make best-guesses using facts rooted in science, and by studying 'extremophiles' - organisms such as the near-indestructible water bears, which can survive in the harshest conditions that Earth, and even space, can offer. Goldilocks and the Water Bears is a tale of the origins and evolution of life, and the quest to find it on other planets, on moons, in other galaxies, and throughout the Universe.

The Story of Collapsing Stars - Black Holes, Naked Singularities, and the Cosmic Play of Quantum Gravity (Paperback): Pankaj S.... The Story of Collapsing Stars - Black Holes, Naked Singularities, and the Cosmic Play of Quantum Gravity (Paperback)
Pankaj S. Joshi
R666 Discovery Miles 6 660 Ships in 12 - 17 working days

This book journeys into one of the most fascinating intellectual adventures of recent decades - understanding and exploring the final fate of massive collapsing stars in the universe. The issue is of great interest in fundamental physics and cosmology today, from both the perspective of gravitation theory and of modern astrophysical observations. This is a revolution in the making and may be intimately connected to our search for a unified understanding of the basic forces of nature, namely gravity that governs the cosmological universe, and the microscopic forces that include quantum phenomena. According to the general theory of relativity, a massive star that collapses catastrophically under its own gravity when it runs out of its internal nuclear fuel must give rise to a space-time singularity. Such singularities are regions in the universe where all physical quantities take their extreme values and become arbitrarily large. The singularities may be covered within a black hole, or visible to faraway observers in the universe. Thus, the final fate of a collapsing massive star is either a black hole or a visible naked singularity. We discuss here recent results and developments on the gravitational collapse of massive stars and possible observational implications when naked singularities happen in the universe. Large collapsing massive stars and the resulting space-time singularities may even provide a laboratory in the cosmos where one could test the unification possibilities of basic forces of nature.

The Last Man on the Moon (Paperback): Eugene Cernan, Don Davis The Last Man on the Moon (Paperback)
Eugene Cernan, Don Davis
R519 R407 Discovery Miles 4 070 Save R112 (22%) Ships in 10 - 15 working days

Eugene Cernan is a unique American who came of age as an astronaut during the most exciting and dangerous decade of spaceflight. His career spanned the entire Gemini and Apollo programs, from being the first person to spacewalk all the way around our world to the moment when he left man's last footprint on the Moon as commander of Apollo 17.

Between those two historic events lay more adventures than an ordinary person could imagine as Cernan repeatedly put his life, his family and everything he held dear on the altar of an obsessive desire. Written with New York Times bestselling author Don Davis, this is the astronaut story never before told - about the fear, love and sacrifice demanded of the few men who dared to reach beyond the heavens for the biggest prize of all - the Moon.

Grating Spectroscopes and How to Use Them (Paperback, 2012): Ken M. Harrison Grating Spectroscopes and How to Use Them (Paperback, 2012)
Ken M. Harrison
R1,269 R1,007 Discovery Miles 10 070 Save R262 (21%) Ships in 10 - 15 working days

Grating Spectroscopes and How to Use Them is written for amateur astronomers who are just getting into this field of astronomy. Transmission grating spectroscopes look like simple filters and are designed to screw into place on the eyepiece of a telescope for visual use, or into the camera adapter for digicam or CCD imaging. Using the most popular commercially made filter gratings - Rainbow Optics (US) and Star Analyzer (UK) - as examples, this book provides the reader with information on how to set up and use the grating one needs to obtain stellar spectrograms. It also discusses several methods on analyzing the results. This book is written in an easy to read style, perfect for getting started on the first night using the spectroscope, and specifically showing how the simple transmission filter is used on the camera or telescope. No heavy mathematics or formulas are involved, and there are many practical hints and tips - something that is almost essential to success when starting out. This book helps readers to achieve quick results, and by following the worked examples, they can successfully carry out basic analysis of the spectra.

The Cosmic Zoo - Complex Life on Many Worlds (Paperback, 1st ed. 2017): Dirk Schulze-Makuch, William Bains The Cosmic Zoo - Complex Life on Many Worlds (Paperback, 1st ed. 2017)
Dirk Schulze-Makuch, William Bains
R1,940 R1,678 Discovery Miles 16 780 Save R262 (14%) Ships in 10 - 15 working days

Are humans a galactic oddity, or will complex life with human abilities develop on planets with environments that remain habitable for long enough? In a clear, jargon-free style, two leading researchers in the burgeoning field of astrobiology critically examine the major evolutionary steps that led us from the distant origins of life to the technologically advanced species we are today. Are the key events that took life from simple cells to astronauts unique occurrences that would be unlikely to occur on other planets? By focusing on what life does - it's functional abilities - rather than specific biochemistry or anatomy, the authors provide plausible answers to this question. Systematically exploring the various pathways that led to the complex biosphere we experience on planet Earth, they show that most of the steps along that path are likely to occur on any world hosting life, with only two exceptions: One is the origin of life itself - if this is a highly improbable event, then we live in a rather "empty universe". However, if this isn't the case, we inevitably live in a universe containing a myriad of planets hosting complex as well as microbial life - a "cosmic zoo". The other unknown is the rise of technologically advanced beings, as exemplified on Earth by humans. Only one technological species has emerged in the roughly 4 billion years life has existed on Earth, and we don't know of any other technological species elsewhere. If technological intelligence is a rare, almost unique feature of Earth's history, then there can be no visitors to the cosmic zoo other than ourselves. Schulze-Makuch and Bains take the reader through the history of life on Earth, laying out a consistent and straightforward framework for understanding why we should think that advanced, complex life exists on planets other than Earth. They provide a unique perspective on the question that puzzled the human species for centuries: are we alone?

Mars (Paperback): Robert Godwin Mars (Paperback)
Robert Godwin
R234 R208 Discovery Miles 2 080 Save R26 (11%) Ships in 12 - 17 working days

If you always thought that it was Giovanni Schiaparelli who first coined the phrase 'Canali' pertaining to the straight lines he appeared to observe on Mars you'd be wrong. In 1858, an astronomer working at the Vatican observatory named father Pietro Angelo Secchi took it upon himself to create his own drawings of Mars. The red planet was now nearing a close approach to earth and the powerful Vatican telescope was capable of resolving detail previously invisible to most astronomers. Secchi thought he saw a series of straight lines on the Martian surface so he made an innocuous notation in his notes. His sketches and articles were published in 1859 in which he referred several times to 'Canale Atlantico' or 'Canale Ceruleo'. His regrettable choice of words would not have an impact for another eight years. This volume tells not only of people and places that have influenced mankind's relationship with the enigmatic red planet, but it also shows you the colour drawings that Secchi made, which were provided to us directly by the Vatican itself. Along with many other interesting stories, drawings and photographs this book will be a prize for both the novice or ardent student of Mars.

Extremes (Paperback): Duncan Needham, Julius Weitzdoerfer Extremes (Paperback)
Duncan Needham, Julius Weitzdoerfer
R572 Discovery Miles 5 720 Ships in 12 - 17 working days

Humanity is confronted by and attracted to extremes. Extreme events shape our thinking, feeling, and actions; they echo in our politics, media, literature, and science. We often associate extremes with crises, disasters, and risks to be averted, yet extremes also have the potential to lead us towards new horizons. Featuring essays by leading intellectuals and public figures arising from the 2017 Darwin College Lectures, this volume explores 'extreme' events, from the election of President Trump, the rise of populism, and the Brexit referendum, to the 2008 financial crisis, the Syrian war, and climate change. It also celebrates 'extreme' achievements in the realms of health, exploration, and scientific discovery. A fascinating, engaging, and timely collection of essays by renowned scholars, journalists, and intellectuals, this volume challenges our understanding of what is normal and what is truly extreme, and sheds light on some of the issues facing humanity in the twenty-first century.

State of the Universe 2007 - New Images, Discoveries, and Events (Paperback, Softcover reprint of the original 1st ed. 2007):... State of the Universe 2007 - New Images, Discoveries, and Events (Paperback, Softcover reprint of the original 1st ed. 2007)
Martin A. Ratcliffe
R762 R657 Discovery Miles 6 570 Save R105 (14%) Ships in 10 - 15 working days

The aim of this book (and subsequent volumes issued annually) is to provide an annual astronomy review suitable for the popular science level reader. It will be published every year in September in a format suitable for an appeal to the Christmas market. The book will cover all major astronomical news on topics beyond the Solar System and place them in the context of the longer term goals that astronomers and astrophysicists around the world are aiming for. The target is to capture the excitement of modern astronomical research enabling reader to stay up-to-date with its rapid pace and development.

Space Exploration 2007 (Paperback, Softcover reprint of the original 1st ed. 2007): Brian Harvey Space Exploration 2007 (Paperback, Softcover reprint of the original 1st ed. 2007)
Brian Harvey
R794 R678 Discovery Miles 6 780 Save R116 (15%) Ships in 10 - 15 working days

This book provides an annual update on recent space launches, missions and results. The annual, written for both young and older space enthusiasts, provides a regular, balanced review of all the world's major space programmes. It covers space exploration from a variety of angles: looking back at past missions, reviewing those currently under way and looking to those planned for the future. The ten invited contributions each year will cover a variety of topics within these areas. The book is for space enthusiasts from teens upwards through to professionals working in the worldwide space industry and journalists covering space issues.

DIY Instruments for Amateur Space - Inventing Utility for Your Spacecraft Once it Achieves Orbit (Paperback): Sandy Antunes DIY Instruments for Amateur Space - Inventing Utility for Your Spacecraft Once it Achieves Orbit (Paperback)
Sandy Antunes
R125 R93 Discovery Miles 930 Save R32 (26%) Ships in 12 - 17 working days

What can you measure and what are your limits when orbiting in space? Learn about what physical quantities you can measure and what types of sensors you can buy or build. We cover the 5 essential design limits as well: power, bandwidth, resolution, computing... and legal limitations. Explore what you can play with using your own personal satellite.

The Solar System in Close-Up (Paperback, 1st ed. 2016): John Wilkinson The Solar System in Close-Up (Paperback, 1st ed. 2016)
John Wilkinson
R1,905 R1,702 Discovery Miles 17 020 Save R203 (11%) Ships in 10 - 15 working days

In response to the new information gained about the Solar System from recent space probes and space telescopes, the experienced science author Dr. John Wilkinson presents the state-of-the art knowledge on the Sun, solar system planets and small solar system objects like comets and asteroids. He also describes space missions like the New Horizon's space probe that provided never seen before pictures of the Pluto system; the Dawn space probe, having just visited the asteroid Vesta, and the dwarf planet Ceres; and the Rosetta probe inorbit around comet 67P/Churyumov-Gerasimenko that has sent extraordinary and most exciting pictures. Those and a number of other probes are also changing our understanding of the solar system and providing a wealth of new up close photos. This book will cover all these missions and discuss observed surface features of planets and moons like their compositions, geisers, aurorae, lightning phenomena etc.Presenting the fascinating aspects of solar system astronomy this book is a complete guide to the Solar System for amateur astronomers, students, science educators and interested members of the public.

Welcome to the Universe - The Problem Book (Hardcover): Neil De Grasse Tyson, Michaela Strauss, J. Richard Gott Welcome to the Universe - The Problem Book (Hardcover)
Neil De Grasse Tyson, Michaela Strauss, J. Richard Gott
R2,617 Discovery Miles 26 170 Ships in 12 - 17 working days

Here is the essential companion to Welcome to the Universe, a New York Times bestseller that was inspired by the enormously popular introductory astronomy course for non-science majors that Neil deGrasse Tyson, Michael A. Strauss, and J. Richard Gott taught together at Princeton. This problem book features more than one hundred problems and exercises used in the original course--ideal for anyone who wants to deepen their understanding of the original material and to learn to think like an astrophysicist. Whether you're a student or teacher, citizen scientist or science enthusiast, your guided tour of the cosmos just got even more hands-on with Welcome to the Universe: The Problem Book. * The essential companion book to the acclaimed bestseller* Features the problems used in the original introductory astronomy course for non-science majors at Princeton University* Organized according to the structure of Welcome to the Universe, empowering readers to explore real astrophysical problems that are conceptually introduced in each chapter* Problems are designed to stimulate physical insight into the frontier of astrophysics* Problems develop quantitative skills, yet use math no more advanced than high school algebra* Problems are often multipart, building critical thinking and quantitative skills and developing readers' insight into what astrophysicists do* Ideal for course use--either in tandem with Welcome to the Universe or as a supplement to courses using standard astronomy textbooks--or self-study* Tested in the classroom over numerous semesters for more than a decade* Prefaced with a review of relevant concepts and equations* Full solutions and explanations are provided, allowing students and other readers to check their own understanding

Dreams of Other Worlds - The Amazing Story of Unmanned Space Exploration - Revised and Updated Edition (Paperback, Revised... Dreams of Other Worlds - The Amazing Story of Unmanned Space Exploration - Revised and Updated Edition (Paperback, Revised edition)
Chris Impey, Holly Henry
R648 Discovery Miles 6 480 Ships in 12 - 17 working days

Dreams of Other Worlds describes the unmanned space missions that have opened new windows on distant worlds. Spanning four decades of dramatic advances in astronomy and planetary science, this book tells the story of eleven iconic exploratory missions and how they have fundamentally transformed our scientific and cultural perspectives on the universe and our place in it. The journey begins with the Viking and Mars Exploration Rover missions to Mars, which paint a startling picture of a planet at the cusp of habitability. It then moves into the realm of the gas giants with the Voyager probes and Cassini's ongoing exploration of the moons of Saturn. The Stardust probe's dramatic round-trip encounter with a comet is brought vividly to life, as are the SOHO and Hipparcos missions to study the Sun and Milky Way. This stunningly illustrated book also explores how our view of the universe has been brought into sharp focus by NASA's great observatories--Spitzer, Chandra, and Hubble--and how the WMAP mission has provided rare glimpses of the dawn of creation. Dreams of Other Worlds reveals how these unmanned exploratory missions have redefined what it means to be the temporary tenants of a small planet in a vast cosmos.

The Lost Constellations - A History of Obsolete, Extinct, or Forgotten Star Lore (Paperback, 1st ed. 2016): John C. Barentine The Lost Constellations - A History of Obsolete, Extinct, or Forgotten Star Lore (Paperback, 1st ed. 2016)
John C. Barentine
R3,218 Discovery Miles 32 180 Ships in 10 - 15 working days

Casual stargazers are familiar with many classical figures and asterisms composed of bright stars (e.g., Orion and the Plough), but this book reveals not just the constellations of today but those of yesteryear. The history of the human identification of constellations among the stars is explored through the stories of some influential celestial cartographers whose works determined whether new inventions survived. The history of how the modern set of 88 constellations was defined by the professional astronomy community is recounted, explaining how the constellations described in the book became permanently "extinct." Dr. Barentine addresses why some figures were tried and discarded, and also directs observers to how those figures can still be picked out on a clear night if one knows where to look. These lost constellations are described in great detail using historical references, enabling observers to rediscover them on their own surveys of the sky. Treatment of the obsolete constellations as extant features of the night sky adds a new dimension to stargazing that merges history with the accessibility and immediacy of the night sky.

NASA Langley Research Center - The First Century: to the Moon and Beyond (Paperback): Amy Waters Yarsinske NASA Langley Research Center - The First Century: to the Moon and Beyond (Paperback)
Amy Waters Yarsinske
R742 R592 Discovery Miles 5 920 Save R150 (20%) Ships in 12 - 17 working days

In its first century and counting, NASA Langley Research Center [LaRC] has had a remarkable history that has stood out not only for the many outstanding achievements in flight and space exploration but the people who made it happen. "If there were a list of 100 people who contributed the most the progress in the world of flight, I believe Langley would provide the most names. Without question," observed astronaut, aeronautical engineer and the first man to walk on the Moon, Neil Alden Armstrong (1930 - 2012) on LaRC's nineteenth anniversary, "many of the giants of aero research spent their careers here, and many others, who learned their craft here, went on to lead other research efforts at other governments labs in the industry. Langley has been a powerhouse of creative thinking." With a centennial theme of "inventing the future," NASA LaRC is poised to enter its second century of ingenuity and invention with a wealth of pending and proposed research, and near-term prognostication may prove a bit easier.

The Complex Lives of Star Clusters (Paperback, 2015 ed.): David Stevenson The Complex Lives of Star Clusters (Paperback, 2015 ed.)
David Stevenson
R1,286 Discovery Miles 12 860 Ships in 10 - 15 working days

As with the author's recent books Extreme Explosions and Under a Crimson Sun, the complex topic of star clusters is broken down and made accessible with clear links to other areas of astronomy in a language which the non-specialist can easily read and enjoy. The full range of topics are addressed regarding how star clusters are formed. Why is it some are dense conglomerates of stars while others are looser associations? Are the young, brilliant clusters seen in neighboring galaxies such as the Large Magellanic Cloud, M33 or M82 analogous to the ancient globulars seen in the Milky Way? How will these clusters change as their stars wane and die? More interestingly, how does living in a dense star cluster affect the fates of the stars and any attendant planets that accompany them? Star clusters form many of the most dazzling objects in the astronomers' catalogs. Many amateur astronomers are interested in exploring how these objects are created and what it would be like to live among these objects. From the historical views of how star clusters came about to the most recent assumptions about how stars within these clusters evolve, different strands of science, from observation to theory, are woven together into a compelling investigation specifically targeted at amateur astronomers.

Virgin Galactic - The First Ten Years (Paperback, 2015 ed.): Erik Seedhouse Virgin Galactic - The First Ten Years (Paperback, 2015 ed.)
Erik Seedhouse
R1,982 Discovery Miles 19 820 Ships in 10 - 15 working days

Thirty years ago when Sir Richard Branson called up Boeing and asked if they had a spare 747, few would have predicted the brash entrepreneur would so radically transform the placid business of air travel. But today, Branson flies airlines on six continents, employs hundreds of jets and, in 2014, was predicting that his spaceship company - Virgin Galactic - would soon open the space frontier to commercial astronauts, payload specialists, scientists and space tourists. With more than 600 seats sold at $250,000 each, what started off as a dream to send people just for the excitement to look back and marvel at Earth, was on the cusp of finally being turned into a business. Then, on October 21, 2014, tragedy struck. SpaceShipTwo was on its most ambitious test flight to date. Seconds after firing its engine, Virgin Galactic's spaceship was breaking through the sound barrier. In just the three seconds that it took for the vehicle to climb from Mach 0.94 to Mach 1.02, co-pilot Mike Alsbury made what many close to the event believe was a fatal mistake that led to his death and the disintegration of SpaceShipTwo. Miraculously, the pilot, Peter Siebold, survived the 16-km fall back to Earth. Soon after the event Branson vowed to continue his space tourism venture in spite of this. Already a second SpaceShipTwo is being built, and ticket-holders eagerly await the day when Virgin Galactic offers quick, routine and affordable access to the edge of space. This book explains the hurdles Virgin Galactic had and still has to overcome en route to developing suborbital space travel as a profitable economic entity, and describes the missions that will be flown on board SpaceShipTwo Mk II, including high-altitude science studies, astronomy, life sciences, and microgravity physics.

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