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

Visual Lunar and Planetary Astronomy (Paperback, 2013 ed.): Paul Gabel Visual Lunar and Planetary Astronomy (Paperback, 2013 ed.)
Paul Gabel
R1,179 Discovery Miles 11 790 Ships in 18 - 22 working days

With the advent of CCDs and webcams, the focus of amateur astronomy has to some extent shifted from science to art. Visual work in astronomy has a rich history. Today, imaging is now more prominent. However there is still much for the visual amateur astronomer to do, and visual work is still a valid component of amateur astronomy. Paul Abel has been addressing this issue by promoting visual astronomy wherever possible - at talks to astronomical societies, in articles for popular science magazines, and on BBC TV's The Sky at Night. Visual Lunar and Planetary Astronomy is a comprehensive modern treatment of visual lunar and planetary astronomy, showing that even in the age of space telescopes and interplanetary probes it is still possible to contribute scientifically with no more than a moderately-priced commercially made astronomical telescope. It is believed that imaging and photography is somehow more objective and more accurate than the eye, and this has led to a peculiar "crisis of faith" in the human visual system and its amazing processing power. But by analyzing observations from the past, we can see how accurate visual astronomy really is! Measuring the rotational period of Mars and making accurate lunar charts for American astronauts were all done by eye. The book includes sections on how the human visual system works, how to view an object through an eyepiece, and how to record observations and keep a scientific notebook. The book also looks at how to make an astronomical, rather than an artistic, drawing. Finally, everything here will also be of interest to those imagers who wish to make their images more scientifically applicable by combining the methods and practices of visual astronomy with imaging.

The Aliens Are Coming! - The Exciting and Extraordinary Science Behind Our Search for Life in the Universe (Paperback): Ben... The Aliens Are Coming! - The Exciting and Extraordinary Science Behind Our Search for Life in the Universe (Paperback)
Ben Miller 1
R313 R283 Discovery Miles 2 830 Save R30 (10%) Ships in 9 - 17 working days

Discover the fascinating and cutting-edge science behind the greatest question of all: is there life beyond Earth? For millennia, we have looked up at the stars and wondered whether we are alone in the universe. In the last few years, scientists have made huge strides towards answering that question. In The Aliens are Coming!, comedian and bestselling science writer Ben Miller takes us on a fantastic voyage of discovery, from the beginnings of life on earth to the very latest search for alien intelligence. What soon becomes clear is that the hunt for extra-terrestrials is also an exploration of what we actually mean by life. What do you need to kickstart life? How did the teeming energy of the Big Bang end up as frogs, trees and quantity surveyors? How can evolution provide clues about alien life? What might it look like? (Probably not green and sexy, sadly.) As our probes and manned missions venture out into the solar system, and our telescopes image Earth-like planets with ever-increasing accuracy, our search for alien life has never been more exciting - or better funded. The Aliens are Coming! is a comprehensive, accessible and hugely entertaining guide to that search, and our quest to understand the very nature of life itself.

Wonders of the Solar System (Hardcover): Professor Brian Cox, Andrew Cohen Wonders of the Solar System (Hardcover)
Professor Brian Cox, Andrew Cohen 1
R914 R785 Discovery Miles 7 850 Save R129 (14%) Ships in 9 - 17 working days

The Sunday Times Bestseller In Wonders of the Solar System - the book of the acclaimed BBC TV series - Professor Brian Cox will take us on a journey of discovery where alien worlds from your imagination become places we can see, feel and visit. The Wonders of the Solar System - from the giant ice fountains of Enceladus to the liquid methane seas of Titan and from storms twice the size of the Earth to the tortured moon of Io with its giant super-volcanoes - is the Solar System as you have never seen it before. In this series, Professor Brian Cox will introduce us to the planets and moons beyond our world, finding the biggest, most bizarre, most powerful natural phenomena. Using the latest scientific imagery along with cutting edge CGI and some of the most spectacular and extreme locations on Earth, Brian will show us Wonders never thought possible. Employing his trademark clear, authoritative, yet down-to-earth approach, Brian will explore how these previously unseen phenomena have dramatically expanded our horizons with new discoveries about the planets, their moons and how they came to be the way they are.

Gemini 12 - The NASA Mission Reports (Paperback): Robert Godwin Gemini 12 - The NASA Mission Reports (Paperback)
Robert Godwin
R524 Discovery Miles 5 240 Ships in 10 - 15 working days

NASA's ambitious but essential Gemini Program was culminated in November 1966 with the launch of Gemini 12 from Kennedy Space enter's Launch Complex 19. This tenth manned Gemini mission was the final opportunity to develop and practice many new techniques that were integral to the upcoming Apollo program. With the successful conclusion of the Gemini 12 mission, veteran astronaut Command Pilot James Lovell had set another new record with a total of 18 days in space, and Pilot Edwin (Buzz) Aldrin held the EVA duration record with an umbilical EVA at the Agena work station of 2 hours and 9 minutes. In all, three EVA (extra-vehicular activity) sessions were performed during the mission. Going into the Gemini 12 mission, many questions of EVA procedure were still unresolved. In the past, astronauts had expended too much energy simply staying in position. In an effort to better develop techniques and train astronauts, for the first time, underwater simulation was incorporated into EVA training. Using a submerged mock-up of the Gemini-Agena spacecraft, EVA training proceeded almost to the eve of launch.;Training in the neutral-buoyancy underwater simulation allowed the astronauts to practice the entire EVA procedure in a single session - just as they would be required to do in space. This was a major advance over simulated weightlessness in aircraft parabolic flights, which provided only 30 seconds of weightlessness at a stretch. Gemini 12 successfully executed a fuelless station-keeping exercise for 4 hours and 20 minutes with the use of a dacron tether between the Gemini and Agena vehicles. Once the tether had been pulled taut, the reaction control systems for both vehicles were turned off, and the slight difference in the Earth's gravitational effect on the two space vehicles was sufficient to keep the tether taut, so the two spacecraft remained at a constant separation, without the use of any reaction control fuel. Despite mission changes brought on by a radar lock-on failure and by a malfunction of the Agena Primary Propulsion System (PPS), the Gemini 12 mission was considered to be a major success, continuing the success story of the entire Gemini program.;Apollo could take man to the Moon only after Gemini had introduced him to the space environment and taught him how to perform there. CD included.

The Universal Force - Gravity - Creator of Worlds (Paperback): Louis Girifalco The Universal Force - Gravity - Creator of Worlds (Paperback)
Louis Girifalco
R829 Discovery Miles 8 290 Ships in 10 - 15 working days

"The Universal Force" conveys the excitement of science and nature's mysteries. It describes gravitation as seen by examining the achievements of those great scientists who have struggled with the seemingly simple facts and managed to extract some truth about the nature of gravity, its origins, and its effects. Gravity is intimately tied up with motion, and therefore with time and space, and is responsible for planetary systems, the evolution of stars and the existence of black holes and the very beginning of the Universe. It is the universal force, and to look at gravity is to look at the deepest aspects of nature. The historical context from Aristotle's teleology through Galileo's conflict with the Church, to Newton's law, and Einstein's curved space time, displays the evolution of the science of gravity as one of the greatest and most fascinating human achievements. Contrary to popular opinion, all important science can be understood by anyone, with or without a scientific background. This book shows that the beauty and mysteries of science can be shared with everyone.

Extraterrestrial - The First Sign of Intelligent Life Beyond Earth (Hardcover): Avi Loeb Extraterrestrial - The First Sign of Intelligent Life Beyond Earth (Hardcover)
Avi Loeb
R572 R512 Discovery Miles 5 120 Save R60 (10%) Ships in 9 - 17 working days

'An astronomical Sherlock Holmes' WASHINGTON POST 'Visionary' STEPHEN GREENBLATT 'Compelling . . . The book is not so much a claim for one object as an argument for a more open-minded approach to science - a combination of humility and wonder' NEW STATESMAN Harvard's top astronomer takes us inside the mind-blowing story of the first interstellar visitor to our solar system In late 2017, scientists at a Hawaiian observatory glimpsed a strange object soaring through our inner solar system. Astrophysicist Avi Loeb conclusively showed it was not an asteroid; it was moving too fast along a strange orbit, and leaving no trail of gas or debris in its wake. There was only one conceivable explanation: the object was a piece of advanced technology created by a distant alien civilization. In Extraterrestrial, Loeb takes readers inside the thrilling story of the first interstellar visitor to be spotted in our solar system. He outlines his theory and its profound implications: for science, for religion, and for the future of our planet. A mind-bending journey through the furthest reaches of science, space-time, and the human imagination, Extraterrestrial challenges readers to aim for the stars-and to think critically about what's out there, no matter how strange it seems.

The Last Stargazers - The Enduring Story of Astronomy's Vanishing Explorers (Paperback): Emily Levesque The Last Stargazers - The Enduring Story of Astronomy's Vanishing Explorers (Paperback)
Emily Levesque
R303 Discovery Miles 3 030 Ships in 10 - 15 working days

SHORTLISTED FOR THE ROYAL SOCIETY SCIENCE BOOK PRIZE 2021 FINALIST FOR THE PEN/E.O. WILSON LITERARY SCIENCE WRITING AWARD AN AMAZON BEST BOOK OF 2020 To be an astronomer is to journey to some of the most inaccessible parts of the globe, braving mountain passes, sub-zero temperatures, and hostile flora and fauna. Not to mention the stress of handling equipment worth millions. It is a life of unique delights and absurdities ... and one that may be drawing to a close. Since Galileo first pointed his telescope at the heavens, astronomy has stood as a fount of human creativity and discovery, but soon it will be the robots gazing at the sky while we are left to sift through the data. In The Last Stargazers, Emily Levesque reveals the hidden world of the professional astronomer. She celebrates an era of ingenuity and curiosity, and asks us to think twice before we cast aside our sense of wonder at the universe.

50 Astronomy Ideas You Really Need to Know (Hardcover): Giles Sparrow 50 Astronomy Ideas You Really Need to Know (Hardcover)
Giles Sparrow 1
R391 R360 Discovery Miles 3 600 Save R31 (8%) Ships in 9 - 17 working days

From our own solar system to the edges of the universe, 50 Astronomy Ideas You Really Need to Know is your introduction to the most important concepts, discoveries and mysteries in astronomy. How did the universe begin? Where did the Moon come from? What happens in the heart of a black hole? Why are gravitational waves so significant? And is there life elsewhere in the cosmos? In fifty fascinating essays covering the central ideas of astronomy and cosmology, accompanied by diagrams, definitions of essential terms and timelines of key discoveries, this book examines the nature and variety of our universe - the life cycle of stars, the formation of planets, the structure of galaxies and the puzzles of dark matter and the multiverse. Expansive and illuminating, 50 Astronomy Ideas You Really Need to Know is the complete guide to the birth, life and possible death of the cosmos.

To Orbit and Back Again - How the Space Shuttle Flew in Space (Paperback, 2014 ed.): Davide Sivolella To Orbit and Back Again - How the Space Shuttle Flew in Space (Paperback, 2014 ed.)
Davide Sivolella
R2,909 Discovery Miles 29 090 Ships in 18 - 22 working days

The Space Shuttle has been the dominant machine in the U.S. space program for thirty years and has generated a great deal of interest among space enthusiasts and engineers. This book enables readers to understand its technical systems in greater depth than they have been able to do so before. The author describes the structures and systems of the Space Shuttle, and then follows a typical mission, explaining how the structures and systems were used in the launch, orbital operations and the return to Earth. Details of how anomalous events were dealt with on individual missions are also provided, as are the recollections of those who built and flew the Shuttle. Many photographs and technical drawings illustrate how the Space Shuttle functions, avoiding the use of complicated technical jargon. The book is divided into two sections: Part 1 describes each subsystem in a technical style, supported by diagrams, technical drawings, and photographs to enable a better understanding of the concepts. Part 2 examines different flight phases, from liftoff to landing. Technical material has been obtained from NASA as well as from other forums and specialists. Author Davide Sivolella is an aerospace engineer with a life-long interest in space and is ideally qualified to interpret technical manuals for a wider audience. This book provides comprehensive coverage of the topic including the evolution of given subsystems, reviewing the different configurations, and focusing on the solutions implemented.

Emigrating Beyond Earth - Human Adaptation and Space Colonization (Paperback, 2012): Cameron M. Smith, Evan T Davies Emigrating Beyond Earth - Human Adaptation and Space Colonization (Paperback, 2012)
Cameron M. Smith, Evan T Davies
R1,003 R857 Discovery Miles 8 570 Save R146 (15%) Ships in 18 - 22 working days

Emigrating Beyond Earth puts space colonization into the context of human evolution. Rather than focusing on the technologies and strategies needed to colonize space, the authors examine the human and societal reasons for space colonization. They make space colonization seems like a natural step by demonstrating that if will continue the human species' 4 million-year-old legacy of adaptation to difficult new environments. The authors present many examples from the history of human expansion into new environments, including two amazing tales of human colonization - the prehistoric settlement of the upper Arctic around 5,000 years ago and the colonization of the Pacific islands around 3,000 years ago - which show that space exploration is no more about rockets and robots that Arctic exploration was about boating!

Twenty-Five Astronomical Observations That Changed the World - And How To Make Them Yourself (Paperback, 2013 ed.): Michael... Twenty-Five Astronomical Observations That Changed the World - And How To Make Them Yourself (Paperback, 2013 ed.)
Michael Marett-Crosby
R1,962 Discovery Miles 19 620 Ships in 18 - 22 working days

"Twenty-Five Astronomical Observations That Changed the World" takes twenty-five journeys through space, back in time and into human history. We begin with the simplest sight of the Tycho Crater on the Moon, through a repeat of Galileo's observations of Jupiter's moons, and then move out towards the nebulae, stars, and galaxies. The astronomical observations repeat the original groundbreaking discoveries that have changed our understanding of science and ourselves. This title contains graded observing challenges from the straightforward to the more difficult (in chapter order). It offers clear observing tips and lots of practical help, presuming no prior in-depth knowledge of equipment. Binoculars and/or a small astronomical telescope are all that is required for most of the observations. Secondly, it explores for each observation the science of what is seen, adding to the knowledge and enjoyment of amateur astronomers and offering lots of reading for the cloudy nights when there is not a star in view. Thirdly, the book puts the amateur astronomers' observations into a wider perspective. "Twenty-Five Astronomical Observations That Changed the World" makes the observer part of that great story of discovery. Each chapter, each observing challenge, shows how to observe and then how to look with understanding. The projects begin with practicalities: where the object is, how best is it observed and with what appropriate equipment (usually a small-to-medium aperture amateur telescope, binoculars, even the naked eye). "Twenty-Five Astronomical Observations that Changed the World" guides even the inexperienced amateur astronomer - beginners can use the book - around a variety of night-sky objects, and reminds the more experienced how they can best be seen. These practical observations put us in contact with all the history and culture surrounding them: through scientific speculation and literature to those first fuzzy images made in 1959 by the Russian space probe Luna 3.

Weird Weather - Tales of Astronomical and Atmospheric Anomalies (Paperback, 2012): David A. J. Seargent Weird Weather - Tales of Astronomical and Atmospheric Anomalies (Paperback, 2012)
David A. J. Seargent
R1,010 R864 Discovery Miles 8 640 Save R146 (14%) Ships in 18 - 22 working days

This book is, ina sense, a sequel to David Seargent's first Springer book "Weird Astronomy" (2010). Whereas "Weird Astronomy" extended over a broad range of purely astronomical topics, the present work concentrates on phenomena closer to home; the atmospheric and "shallow space" events as opposed to deep space events. The line between astronomy and meteorology is blurred - a fact that is discussed in "Weird Weather." It is not primarily a book of "wonders" or of the unexplained, although some of the topics covered remain mysteries. It is primarily directed toward those who are fascinated by climate and weather, and who are open-minded when considering Earth's climate, what drives it, and what are the causes of climate change. The author, David A. J. Seargent, presents the facts with a balanced and scientific approach.

"Weird Weather: Tales of Astronomical and Atmospheric Anomalies" is about strange, unusual, and apparently inexplicable observations of the air and sky. Primarily these are in the Earth's atmosphere, but there are corresponding phenomena in the atmospheres of other planets of the Solar System - lightning on Venus, Jupiter, and Saturn, whirlwinds and dust storms of Mars, and auroras on Jupiter. Topics include anomalous lights, anomalous sounds, spectacular effects of cloud illumination by the Sun or Moon, lightning phenomena, electrophonic sounds of lightning, aurora and meteors, tornado and whirlwind phenomena on Earth and Mars, usual atmospheric effects, mirages, and the possible astronomical influences on cloud and climate."

Extra Dimensions in Space and Time (Paperback, 2010 ed.): Itzhak Bars Extra Dimensions in Space and Time (Paperback, 2010 ed.)
Itzhak Bars; Foreword by Lawrence Krauss; Edited by Farzad Nekoogar; John Terning
R4,671 Discovery Miles 46 710 Ships in 18 - 22 working days

In physics, the idea of extra spatial dimensions originates from Nordstom s 5-dimensional vector theory in 1914, followed by Kaluza-Klein theory in 1921, in an effort to unify general relativity and electromagnetism in a 5 dimensional space-time (4 dimensions for space and 1 for time). Kaluza Klein theory didn t generate enough interest with physicist for the next five decades, due to its problems with inconsistencies. With the advent of supergravity theory (the theory that unifies general relativity and supersymmetry theories) in late 1970 s and eventually, string theories (1980s) and M-theory (1990s), the dimensions of space-time increased to 11 (10-space and 1-time dimension).

There are two main features in this book that differentiates it from other books written about extra dimensions: The first feature is the coverage of extra dimensions in time (Two Time physics), which has not been covered in earlier books about extra dimensions. All other books mainly cover extra spatial dimensions. The second feature deals with level of presentation. The material is presented in a non-technical language followed by additional sections (in the form of appendices or footnotes) that explain the basic equations and formulas in the theories. This feature is very attractive to readers who want to find out more about the theories involved beyond the basic description for a layperson. The text is designed for scientifically literate non-specialists who want to know the latest discoveries in theoretical physics in a non-technical language. Readers with basic undergraduate background in modern physics and quantum mechanics can easily understand the technical sections.

Part I starts with an overview of the Standard Model of particles and forces, notions of Einstein s special and general relativity, and the overall view of the universe from the Big Bang to the present epoch, and covers Two-Time physics. 2T-physics has worked correctly at all scales of physics, both macroscopic and microscopic, for which there is experimental data so far. In addition to revealing hidden information even in familiar "everyday" physics, it also makes testable predictions in lesser known physics regimes that could be analyzed at the energy scales of the Large Hadron Collider at CERN or in cosmological observations."

Part II of the book is focused on extra dimensions of space. It covers the following topics: The Popular View of Extra Dimensions, Einstein and the Fourth Dimension, Traditional Extra Dimensions, Einstein's Gravity, The Theory Formerly Known as String, Warped Extra Dimensions, and How Do We Look For Extra Dimensions?"

Observing the Sun - A Pocket Field Guide (Paperback, 2013 ed.): Jamey L. Jenkins Observing the Sun - A Pocket Field Guide (Paperback, 2013 ed.)
Jamey L. Jenkins
R1,168 Discovery Miles 11 680 Ships in 18 - 22 working days

Observing the Sun is for amateur astronomers at all three levels: beginning, intermediate, and advanced.
The beginning observer is often trying to find a niche or define a specific interest in his hobby, and the content of this book will spark that interest in solar observing because of the focus on the dynamics of the Sun.
Intermediate and advanced observers will find the book invaluable in identifying features (through photos, charts, diagrams) in a logical, orderly fashion and then guiding the observer to interpret the observations.
Because the Sun is a dynamic celestial body in constant flux, astronomers rarely know for certain what awaits them at the eyepiece. All features of the Sun are transient and sometimes rather fleeting. Given the number of features and the complex life cycles of some, it can be a challenging hobby. Observing the Sun provides essential illustrations, charts, and diagrams that depict the forms and life cycles of the numerous features visible on the Sun."

Stardust, Supernovae and the Molecules of Life - Might We All Be Aliens? (Paperback, 2012): Richard Boyd Stardust, Supernovae and the Molecules of Life - Might We All Be Aliens? (Paperback, 2012)
Richard Boyd
R829 R718 Discovery Miles 7 180 Save R111 (13%) Ships in 18 - 22 working days

Where were the amino acids, the molecules of life, created: perhaps in a lightning storm in the early Earth, or perhaps elsewhere in the cosmos? This book argues that at least some of them must have been produced in the cosmos, and that the fact that the Earthly amino acids have a specific handedness provides an important clue for that explanation. This book discusses several models that purport to explain the handedness, ultimately proposing a new explanation that involves cosmic processing of the amino acids produced in space. This book provides a tour for laypersons that includes a definition of life, the Big Bang, stellar nucleosynthesis, the electromagnetic spectrum, molecules, and supernovae and the particles they produce.

The Chemical Cosmos - A Guided Tour (Paperback, 2012): Steve Miller The Chemical Cosmos - A Guided Tour (Paperback, 2012)
Steve Miller
R835 R724 Discovery Miles 7 240 Save R111 (13%) Ships in 18 - 22 working days

If you have ever wondered how we get from the awesome impersonality of the Big Bang universe to the point where living creatures can start to form, and evolve into beings like you, your friends and your family, wonder no more. Steve Miller provides us with a tour through the chemical evolution of the universe, from the formation of the first molecules all the way to the chemicals required for life to evolve. Using a simple Hydrogen molecule - known as H-three-plus - as a guide, he takes us on a journey that starts with the birth of the first stars, and how, in dying, they pour their hearts out into enriching the universe in which we live. Our molecular guide makes its first appearance at the source of the Chemical Cosmos, at a time when only three elements and a total of 11 molecules existed. From those simple beginnings, H-three-plus guides us down river on the violent currents of exploding stars, through the streams of the Interstellar Medium, and into the delta where new stars and planets form. We are finally left on the shores of the sea of life. Along the way, we meet the key characters who have shaped our understanding of the chemistry of the universe, such as Cambridge physicist J.J. Thomson and the Chicago chemist Takeshi Oka. And we are given an insider's view of just how astronomers, making use of telescopes and Earth-orbiting satellites, have put together our modern view of the Chemical Cosmos.

One Small Step? - The Great Moon Hoax and the Race to Dominate Earth from Space (Paperback): Gerhard Wisnewski One Small Step? - The Great Moon Hoax and the Race to Dominate Earth from Space (Paperback)
Gerhard Wisnewski; Translated by Johanna Collis
R507 R467 Discovery Miles 4 670 Save R40 (8%) Ships in 9 - 17 working days

Were the famous moon landings simulated by NASA? From the very first manned flight into orbit right up to the present day there have been serious anomalies in the official narrative of the conquest of space. Bestselling author Gerhard Wisnewski dissects the history of space travel in minute detail, beginning with the first Russian missions in the early 1960s, to the final American moon project of Apollo 17 in 1972, and onwards to the American landings planned in future. Using forensic methods of investigation, he pieces together a complex jigsaw to reveal a disturbing picture of lies, falsifications and simulations. Not only does he cast serious doubt on the possibility of humans ever having landed on the moon, but he also reveals a catalogue of untruths and propaganda in the Cold War struggle for supremacy between the Soviet Union and the USA.Wisnewski produces reams of scientific evidence that calls for a reassessment of the received wisdom regarding the history of space exploration. The true story, he suggests, has a more sinister undertone. Beneath the guise of civilian space travel the US military has been developing fearsome new equipment and weapons which are being secretly stationed in space. The aim is to militarize the orbit around the earth, with our planet and each one of us as the potential targets. It is provided with over 200 illustrations.

Surfing Through Hyperspace - Understanding Higher Universes in Six Easy Lessons (Hardcover): Clifford A. Pickover Surfing Through Hyperspace - Understanding Higher Universes in Six Easy Lessons (Hardcover)
Clifford A. Pickover
R895 Discovery Miles 8 950 Ships in 10 - 15 working days

This book explains hyperspace and multidimensional geometries in an effort to help readers to manipulate, visualize, and think about the higher spatial dimensions that all serious physical theories since relativity have required. This book alternates sections explaining the science with a fictional story line that exemplifies, comments on, and helps to clarify the science. The book also features a number of appendices, including annotated guides to the literature and to relevant science fiction, further commentary on the mathematics of hyperspace, questions and puzzles, and source code for modeling hyperspace. The book has the goal to explain the science of hyperspace accurately, but it is light and playful in its approach.

The Stones and the Stars - Building Scotland's Newest Megalith (Paperback, 2013 ed.): Duncan Lunan The Stones and the Stars - Building Scotland's Newest Megalith (Paperback, 2013 ed.)
Duncan Lunan
R1,834 R1,723 Discovery Miles 17 230 Save R111 (6%) Ships in 18 - 22 working days

There are at least 48 identified prehistoric stone circles in Scotland. In truth, very little is known about the people who erected them, and ultimately about what the stone circles were for. Most stone circles are astronomically aligned, which has led to the modern debate about why the alignment was significant. The megaliths certainly represented an enormous co-operative effort, would at the very least have demonstrated power and wealth, and being set away from any dwellings probably served a ceremonial, or perhaps religious, purpose.
Observations at the site of the stone circles, of solar, lunar, and stellar events, have already cast light on some of the questions about the construction and use of ancient megalithic observatories.
In his capacity as manager of the Parks Department Astronomy Project, author Duncan Lunan designed and built the first astronomically aligned stone circle in Britain in over 3,000 years. 'The Stones and the Stars' examines the case for astronomical alignments of stone circles, and charts the development of a fascinating project with a strong scientific and historical background. The work was documented in detail by the artist and photographer Gavin Roberts, and this archive has been added to since - so an appropriate selection of illustrations will bring the project vividly to life."

Project Apollo - The Moon Odyssey Explained (Hardcover): Norman Ferguson Project Apollo - The Moon Odyssey Explained (Hardcover)
Norman Ferguson 1
R325 R300 Discovery Miles 3 000 Save R25 (8%) Ships in 10 - 15 working days

That's one small step for man... The Moon has always fascinated humans, and thoughts on how to get there occupied minds for hundreds of years. During the space race, setting foot on the Moon was the ultimate goal and the Apollo missions to the Moon are amongst the most successful and well-remembered manned space flights that NASA ever accomplished. In Project Apollo Norman Ferguson reveals fascinating facts and figures, and recounts amazing stories about the astronauts and their spacecraft, and how they made the giant leap for mankind.

Astronautics - Summary and Prospects (Paperback, Softcover reprint of the original 1st ed. 2003): Anatoli I. Kiselev Astronautics - Summary and Prospects (Paperback, Softcover reprint of the original 1st ed. 2003)
Anatoli I. Kiselev; Translated by V. Sherbakov, N. Novichkov; Alexander A. Medvedev; Translated by A. Nechaev; …
R1,315 R1,119 Discovery Miles 11 190 Save R196 (15%) Ships in 18 - 22 working days

The authors, leading representatives of Russian space research and industry, show the results and future prospects of astronautics at the start of the third millennium. The focus is on the development of astronautics in Russia in the new historical and economic conditions. The text spotlights the basic trends in space related issues before moving on to describe the possibilities of the wide use of space technologies and its numerous applications such as navigation and communication, space manufacturing, and space biotechnology. The book contains a large amount of facts described in a way understandable without specialist knowledge. The text is accompanied by many photographs, charts and diagrams, mostly in color.

Under the Radar - The First Woman in Radio Astronomy: Ruby Payne-Scott (Paperback, 2010 ed.): M. Goss, Richard McGee Under the Radar - The First Woman in Radio Astronomy: Ruby Payne-Scott (Paperback, 2010 ed.)
M. Goss, Richard McGee
R4,033 Discovery Miles 40 330 Ships in 18 - 22 working days

It is rare for a complete biography of an Australian scientist, particularly of an Australian woman scientist, to be published. It is rarer for such a book to be co-authored by an American. Although scientists have written discourses on the history of their discipline, it is most unusual for a scientist to write a full length biography of a colleague in his ?eld. It is also uncommon for a man to write about an Australian woman scientist; most of the work on Australian women scientists has been done by other women. However, these authors, both distinguished researchers in the ?eld of radio astr- omy, became so interested in the history of their discipline and in the career of the pioneer radio astronomer Ruby Payne-Scott that they spent some years bringing this book to fruition. Until relatively recently, Ruby Payne-Scott had been the only woman scientist mentioned brie?y in histories of Australian science or of Australian radio astronomy. This book will be an invaluable resource for anyone interested in these disciplines. Being scientists themselves, the authors explain Payne-Scott's scienti?c work in detail; therefore, the value and importance of her contributions can, for the ?rst time, be recognised, not only by historians but also by scientists.

A Ball, a Dog, and a Monkey - 1957 -- The Space Race Begins (Paperback, Ed): Michael D'Antonio A Ball, a Dog, and a Monkey - 1957 -- The Space Race Begins (Paperback, Ed)
Michael D'Antonio 1
R462 Discovery Miles 4 620 Ships in 18 - 22 working days

"A Ball, a Dog, and a Monkey" tells the remarkable story of America's first efforts to succeed in space, a time of exploding rockets, national space mania, Florida boomtowns, and interservice rivalries so fierce that President Dwight Eisenhower had to referee them.
When the Soviet Union launched the first orbital satellite, "Sputnik I, " Americans panicked. The Soviets had nuclear weapons, the Cold War was underway, and now the USSR had taken the lead in the space race. Members of Congress and the press called for an all-out effort to launch a satellite into orbit. With dire warnings about national security in the news almost every day, the armed services saw space as the new military frontier. But President Eisenhower insisted that the space effort, which relied on military technology, be supervised by civilians so that the space race would be peaceful. The Navy's Vanguard program flopped, and the Army, led by ex-Nazi rocket scientist Wernher von Braun and a martinet general named J. Bruce Medaris (whom Eisenhower disliked), took over. Meanwhile, the Soviets put a dog inside the next Sputnik, and Americans grew more worried as the first animal in space whirled around the Earth.
Throughout 1958 America went space crazy. UFO sightings spiked. Boys from Brooklyn to Burbank shot model rockets into the air. Space-themed beauty pageants became a national phenomenon. The news media flocked to the launchpads on the swampy Florida coast, and reporters reinvented themselves as space correspondents. And finally the Army's rocket program succeeded. Determined not to be outdone by the Russians, America's space scientists launched the first primate into space, a small monkey they nicknamed Old Reliable for his calm demeanor. And then at Christmastime, Eisenhower authorized the launch of a secret satellite with a surprise aboard.
"A Ball, a Dog, and a Monkey" memorably recalls the infancy of the space race, a time when new technologies brought ominous danger but also gave us the ability to realize our dreams and reach for the stars.

Centauri Dreams - Imagining and Planning Interstellar Exploration (Paperback, Softcover reprint of the original 1st ed. 2004):... Centauri Dreams - Imagining and Planning Interstellar Exploration (Paperback, Softcover reprint of the original 1st ed. 2004)
Paul Gilster
R1,096 R924 Discovery Miles 9 240 Save R172 (16%) Ships in 18 - 22 working days

I wrote this book because I wanted to learn more about interstel lar flight. Not the Star Trek notion of tearing around the Galaxy in a huge spaceship-that was obviously beyond existing tech nology-but a more realistic mission. In 1989 I had videotaped Voyager 2's encounter with Neptune and watched the drama of robotic exploration over and over again. I started to wonder whether we could do something similar with Alpha Centauri, the nearest star to the Sun. Everyone seemed to agree that manned flight to the stars was out of the question, if not permanently then for the indefinitely foreseeable future. But surely we could do something with robotics. And if we could figure out a theoretical way to do it, how far were we from the actual technology that would make it happen? In other words, what was the state of our interstellar technology today, those concepts and systems that might translate into a Voyager to the stars? Finding answers meant talking to people inside and outside of NASA. I was surprised to learn that there is a large literature of interstellar flight. Nobody knows for sure how to propel a space craft fast enough to make the interstellar crossing within a time scale that would fit the conventional idea of a mission, but there are candidate systems that are under active investigation. Some of this effort begins with small systems that we'll use near the Earth and later hope to extend to deep space missions."

How Spacecraft Fly - Spaceflight Without Formulae (Paperback, Softcover reprint of hardcover 1st ed. 2009): Graham Swinerd How Spacecraft Fly - Spaceflight Without Formulae (Paperback, Softcover reprint of hardcover 1st ed. 2009)
Graham Swinerd
R686 R615 Discovery Miles 6 150 Save R71 (10%) Ships in 18 - 22 working days

In this popular science book, Graham Swinerd explains, without the use of mathematics and in an informal way, aerodynamic and astrodynamic flight for non-technical readers who are interested in spaceflight and spacecraft.

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