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

The Possibility of Life - Searching for Kinship in the Cosmos (Hardcover): Jaime Green The Possibility of Life - Searching for Kinship in the Cosmos (Hardcover)
Jaime Green
R535 R495 Discovery Miles 4 950 Save R40 (7%) Ships in 10 - 15 working days

One of the most powerful questions we ask about the cosmos is: Are we alone? The Possibility of Life traces the history of our understanding of what and where life in the universe could be, from Galileo and Copernicus through to our current tracking of exoplanets in the Goldilocks zone, where life akin to ours on Earth might exist. Along the way, Jaime Green studies insights from a long tradition of science fiction that uses imagination to extrapolate and construct worlds, in turn inspiring scientists and their research. Bringing together expert interviews, cutting-edge astronomy, philosophical inquiry and pop culture touchstones ranging from A Wrinkle in Time to Star Trek, The Possibility of Life delves into our evolving conception of the cosmos to pose an even deeper question: what does it mean to be human?

Cosmology - Fourth edition (Paperback, 4th ed): Michael Rowan-Robinson Cosmology - Fourth edition (Paperback, 4th ed)
Michael Rowan-Robinson
R1,715 Discovery Miles 17 150 Ships in 10 - 15 working days

This is a substantially revised and updates new edition of a classic introductory textbook. Although there are a wealth of cosmology texts at postgraduate level, Cosmology remains the classic introduction to modern cosmology for undergraduates. While designed as the main text for a course given at second or third year level, it is sufficiently self-contained for anyone with school science to understand. There is a strong emphasis on observational cosmology, with introductory chapters on the visible universe, our galaxy and other galaxies and the empirical basis for cosmological theory. After an account of the big bang model, there are chapters on the early stages of the big bang and galaxy formation. Finally, there are chapters on cosmological tests and on alternative theories. One feature of the book it its updated epilogue of twenty controversies on cosmology today. The latest results from the WMAP mission are included and a wealth of new material, including a stronger emphasis on the cosmological constant. It has an extensive glossary and the exercises have been substantially expanded. A stronger emphasis on the physical basis for cosmology is included throughout.

The Universe in Bite-sized Chunks (Hardcover): Colin Stuart The Universe in Bite-sized Chunks (Hardcover)
Colin Stuart 1
R287 Discovery Miles 2 870 Ships in 2 - 4 working days

Since the earliest humans walked the earth, the vast mysteries and wonders of the night sky have fascinated and beguiled us, as we've struggled to understand our place in the cosmos. Even after the last century, which saw important and startling discoveries about our own planet, our solar system and the stars and galaxies beyond, there remain more questions than answers. But those questions - What is dark matter? Are we alone in the universe? Is time travel possible? - provide a fascinating insight into the vastness and infinite possibilities of space that we're yet to determine. The sheer scale of the universe can be intimidating, but in this easily digestible book we embark on an incredible journey through all the essential astronomical discoveries, from the beliefs of ancient civilizations, through to the recent groundbreaking observations of the gravitational waves predicted by Einstein over 100 years ago. There's never been a better time to get to grips with the universe and this essential guide to the cosmos is the perfect place to start!

The Philosophy of Space and Time (Paperback): Hans Reichenbach The Philosophy of Space and Time (Paperback)
Hans Reichenbach
R533 Discovery Miles 5 330 Ships in 10 - 15 working days

A brilliantly clear and penetrating exposition of developments in physical science and mathematics brought about by the advent of non-Euclidean geometries, including in-depth coverage of the foundations of geometry, the theory of time, Einstein's theory of relativity and its consequences, other key topics.

The Rocket Men - Vostok & Voskhod. The First Soviet Manned Spaceflights (Paperback, 2001 ed.): Rex Hall, Shayler David The Rocket Men - Vostok & Voskhod. The First Soviet Manned Spaceflights (Paperback, 2001 ed.)
Rex Hall, Shayler David
R875 Discovery Miles 8 750 Ships in 2 - 4 working days

In The Rocket Men authors Rex Hall and Dave Shayler review this Soviet demonstration of technological progress from both the developmental and operational aspects which were clouded in secrecy and in direct contrast to the high profile American programme.As the one-man Mercury spacecraft gave way to the two-man series on the American road to the Moon with Apollo, the multi-crewed Voskhod series which followed the single-seat Vostok was expected to compete with the Gemini programme. By developing the experience and techniques required to send cosmonauts to the Moon the series was planned as a stepping stone to the Soyuz and Zond lunar programmes then under development which would race Apollo to the Moon.

From Geocentric to Heliocentric: How Discoveries Are Made (Paperback, 1st ed. 2021): Yunbao Ge (   ) From Geocentric to Heliocentric: How Discoveries Are Made (Paperback, 1st ed. 2021)
Yunbao Ge ( ); Translated by Zhaocan Liu ( ), Qian Xu, Hao Ge
R3,758 Discovery Miles 37 580 Ships in 18 - 22 working days

Has anyone ever seen with their own eyes that the Earth goes around the sun? Even to this day, no one has. However, 500 and even 2000 years ago, some astronomers managed to point out that this is the case. At that time, people's range of activities was strictly confined, the technology and tools used were extremely primitive, and many of the mathematical methods used today had not been developed. How did those astronomers make and verify this discovery? This book explains this exciting demonstration process. It enables anyone with a basic junior-high-school knowledge of geometry and a certain degree of spatial imagination to understand this and other interesting discoveries in the solar system. By demonstrating this interesting process, the book not only satisfies readers' curiosity using the simplest mathematics, but also inspires them to explore the new and unknown world.

The Nine Numbers of the Cosmos (Hardcover, New Ed): Michael Rowan-Robinson The Nine Numbers of the Cosmos (Hardcover, New Ed)
Michael Rowan-Robinson
R583 R296 Discovery Miles 2 960 Save R287 (49%) Ships in 10 - 15 working days

An encapsulation in nine numbers of all that modern astronomy has learnt about the universe. These cosmic numbers appear to be independent characteristics of our universe and include its age, the Hubble constant (a measure of its rate of expression), and the density of matter in the universe. Only one of the nine numbers is known with real precision, and four of them only poorly known. Difficult ideas like the origin of the elements, the General Theory of Relativity, quantum theory, and the standard model of particle physics, ideas which underpin modern cosmology, are explained in a simple way. While most of what we know has been learnt during the 20th century, Rowan-Robinson provides a historical perspective, paying homage to the achievements of the Greeks, Renaissance astronomers, and the age of Newton. The book ends with predictions of when all nine numbers will be accurately known.

Apollo Remastered - The Sunday Times Bestseller (Hardcover): Andy Saunders Apollo Remastered - The Sunday Times Bestseller (Hardcover)
Andy Saunders 1
R1,813 Discovery Miles 18 130 Ships in 10 - 15 working days

AN INSTANT SUNDAY TIMES BESTSELLER Discover space as you've never seen it before, with these awe-inspiring, breathtakingly restored images of our first missions to the Moon 'The next best thing to being there' Charlie Duke, Apollo 16 astronaut In a frozen vault in Houston sits the original NASA photographic film of the Apollo missions. For half a century, almost every image of the Moon landings publicly available was produced from a lower-quality copy of these originals. Now we can view them as never before. Expert image restorer Andy Saunders has taken newly available digital scans and, applying pain-staking care and cutting-edge enhancement techniques, he has created the highest quality Apollo photographs ever produced. Never-before-seen spacewalks and crystal-clear portraits of astronauts in their spacecraft, along with startling new visions of the Earth and the Moon, offer astounding new insight into one of our greatest endeavours. This is the definitive record of the Apollo missions and a mesmerizing, high definition journey into the unknown.

Binocular Astronomy (Paperback, 2nd ed. 2014): Stephen Tonkin Binocular Astronomy (Paperback, 2nd ed. 2014)
Stephen Tonkin
R1,698 Discovery Miles 16 980 Ships in 10 - 15 working days

Binoculars have, for many, long been regarded as an entry level observational tool, and relatively few have used them as a serious observing instrument. This is changing Many people appreciate the relative comfort of two-eyed observing, but those who use binoculars come to realize that they offer more than comfort. The view of the stars is more aesthetically pleasing and therefore binocular observers tend to observe more frequently and for longer periods.
Binocular Astronomy, 2nd edition, extends its coverage of small and medium binoculars to large and giant (i.e., up to 300mm aperture) binoculars and also binoviewers, which brings the work into the realm of serious observing instruments. Additionally, it goes far deeper into the varying optical characteristics of binoculars, giving newcomers and advanced astronomers the information needed to make informed choices on purchasing a pair. It also covers relevant aspects of the physiology of binocular (as in both eyes ) observation.
The first edition of this title was praised for its suggested objects for observation and especially for the finder charts for each object. In this second edition, this section is expanded in three ways. There are new objects, with more information on each object, and a re-organization of the objects for binoculars for easier selection for readers.

Binocular Astronomy 2nd Edition puts an emphasis on understanding binoculars and their use. The additional content in this second edition reflects the latest developments in technology, available testing techniques, and practical ideas for binocular use. It also responds to the substantially positive reviews of the first edition, and is now even better suited to its target readership."

The Sky at Night - Easy Enjoyment from Your Backyard (Paperback): Tim Hunter The Sky at Night - Easy Enjoyment from Your Backyard (Paperback)
Tim Hunter
R808 R626 Discovery Miles 6 260 Save R182 (23%) Ships in 10 - 15 working days
The Universe Today - Our Current Understanding and How It Was Achieved (Paperback, 1st ed. 2020): Carlos Martins The Universe Today - Our Current Understanding and How It Was Achieved (Paperback, 1st ed. 2020)
Carlos Martins
R759 R673 Discovery Miles 6 730 Save R86 (11%) Ships in 18 - 22 working days

Starting out from humankind's earliest ideas about the cosmos, this book gives the reader a clear overview of our current understanding of the universe, including big bang theories and the formation of stars and galaxies, as well as addressing open questions. The author shows how our present view gradually developed from observations, and also how the outcome of ongoing research may still change this view. The book brings together concepts in physics and astronomy, including some history in both cases. The text is descriptive rather than technical: the goal is to present things rigorously and without oversimplification, by highlighting the crucial physical concepts. The only prerequisite is a qualitative knowledge of basic physics concepts at high-school level.

Space 2069 - After Apollo: Back to the Moon, to Mars, and Beyond (Paperback): David Whitehouse Space 2069 - After Apollo: Back to the Moon, to Mars, and Beyond (Paperback)
David Whitehouse
R342 R310 Discovery Miles 3 100 Save R32 (9%) Ships in 9 - 17 working days

'It is rare to read something that so closely mixes science fiction with reality, but Space 2069 does just that ... [It's] an intelligent portrait of where we may be in the next half-century. - BBC Sky at Night Nearing half a century since the last Apollo mission, mankind has yet to return to the Moon, but that is about to change. With NASA's Artemis program scheduled for this decade, astronomer David Whitehouse takes a timely look at what the next 50 years of space exploration have in store. The thirteenth man and the first woman to walk on the Moon will be the first to explore the lunar south pole - the prime site for a future Moon base thanks to its near-perpetual sunlight and the presence of nearby ice. The first crewed mission to Mars will briefly orbit the red planet in 2039, preparing the way for a future landing mission. Surviving the round trip will be the greatest challenge any astronaut has yet faced. In the 2050s, a lander will descend to the frozen surface of Jupiter's moon Europa and attempt to drill down to its subsurface ocean in search of life. Based on real-world information, up-to-date scientific findings and a healthy dose of realism, Space 2069 is a mind-expanding tour of humanity's future in space over the next 50 years.

National Geographic Backyard Guide to the Night Sky - 2nd Edition (Paperback): Andrew Fazekas National Geographic Backyard Guide to the Night Sky - 2nd Edition (Paperback)
Andrew Fazekas 1
R589 R543 Discovery Miles 5 430 Save R46 (8%) Ships in 18 - 22 working days

Explore the star-studded cosmos with this fully updated, user-friendly skywatcher's guide, filled with charts, graphics, photographs, and expert tips for viewing -- and understanding -- the wonders of space. Stargazing's too much fun to leave to astronomers. In these inviting pages, "Night Sky Guy" Andrew Fazekas takes an expert but easygoing approach that will delight would-be astronomers of all levels. Essential information, organized logically, brings the solar system, stars, and planets to life in your own backyard. Start with the easiest constellations and then "star-hop" across the night sky to find others nearby. Learn about the dark side of the moon, how to pick Mars out of a planetary lineup, and which kinds of stars twinkle in your favorite constellations. Hands-on tips and techniques for observing with the naked eye, binoculars, or a telescope help make the most out of sightings and astronomical phenomena such as eclipses and meteor showers. Photographs and graphics present key facts in an easy-to-understand format, explaining heavenly phenomena such as black holes, solar flares, and supernovas. Revised to make skywatching even easier for the whole family, this indispensable guide shines light on the night sky--truly one of the greatest shows on Earth!

Life on Mars - What to Know Before We Go (Hardcover): David A. Weintraub Life on Mars - What to Know Before We Go (Hardcover)
David A. Weintraub
R796 R665 Discovery Miles 6 650 Save R131 (16%) Ships in 10 - 15 working days

The story of the search for life on Mars-and the moral issues confronting us as we prepare to send humans there Does life exist on Mars? The question has captivated humans for centuries, but today it has taken on new urgency. NASA plans to send astronauts to Mars orbit by the 2030s. SpaceX wants to go by 2024, while Mars One wants to land a permanent settlement there in 2032. As we gear up for missions like these, we have a responsibility to think deeply about what kinds of life may already inhabit the planet--and whether we have the right to invite ourselves in. This book tells the complete story of the quest to answer one of the most tantalizing questions in astronomy. But it is more than a history. Life on Mars explains what we need to know before we go. David Weintraub tells why, of all the celestial bodies in our solar system, Mars has beckoned to us the most. He traces how our ideas about life on Mars have been refined by landers and rovers, terrestrial and Mars-orbiting telescopes, spectroscopy, and even a Martian meteorite. He explores how finding DNA-based life on the Red Planet could offer clues about our distant evolutionary past, and grapples with the profound moral and ethical questions confronting us as we prepare to introduce an unpredictable new life form-ourselves-into the Martian biosphere. Life on Mars is also a book about how science is done-and undone-in the age of mass media. It shows how Mars mania has obscured our vision since we first turned our sights on the planet and encourages a healthy skepticism toward the media hype surrounding Mars as humanity prepares to venture forth.

Star Names - Their Lore and Meaning (Paperback, New issue of 1899 ed): Richard H. Allen Star Names - Their Lore and Meaning (Paperback, New issue of 1899 ed)
Richard H. Allen
R814 R718 Discovery Miles 7 180 Save R96 (12%) Ships in 18 - 22 working days

Star names, the zodiac, constellations; folklore and literature associated with heavens. The basic book of its field. Fascinating reading solidly based on years of thorough research into astronomical writings and observations of the ancient Chinese, Arabic, Euphrates, Hellenic and Roman civilizaitons.

The Light of Earth - Reflections on a Life in Space (Hardcover): Al Worden, Francis French The Light of Earth - Reflections on a Life in Space (Hardcover)
Al Worden, Francis French
R706 Discovery Miles 7 060 Ships in 10 - 15 working days

Apollo 15 command module pilot Al Worden was one of the highest-profile personalities among the Apollo astronauts, renowned for his outspokenness and potent views but also recognized as a warm and well-liked person who devoted much of his life after retiring from NASA to sharing his spaceflight experiences. Worden had nearly finished writing this book before his passing in 2020 at the age of eighty-eight. Coauthored with spaceflight historian Francis French, The Light of Earth is Worden's wide-ranging look at the greatest-ever scientific undertaking, in which he was privileged to be a leading participant. Here Worden gives readers his refreshingly candid opinions on the space program, flying to the moon, and the people involved in the Apollo and later shuttle programs, as well as sharing hard-hitting reflections on the space shuttle program, the agonies and extraordinary sights and delights of being a NASA Apollo astronaut, and the space program's triumphs and failures. Worden delves into areas of personal grief that reveal the noble and truly human side of the space program's earliest years. He does not hold back when discussing the shocking deaths of his fellow astronauts in the three major tragedies that struck the space agency, nor does he shy away from sharing his personal feelings about fellow Apollo astronauts including Neil Armstrong and Buzz Aldrin. Worden was known as a charismatic speaker and one of the most thoughtful Apollo astronauts. His candid, entertaining, and unique perspective in The Light of Earth will captivate and surprise.

Galileo Galilei, The Tuscan Artist (Paperback, Softcover reprint of the original 1st ed. 2018): Pietro Greco Galileo Galilei, The Tuscan Artist (Paperback, Softcover reprint of the original 1st ed. 2018)
Pietro Greco
R705 Discovery Miles 7 050 Ships in 9 - 17 working days

This book is a distinctively original biography of Galileo Galilei, probably the last eclectic genius of the Italian Renaissance, who was not only one of the greatest scientists ever, but also a philosopher, a theologian, and a man of great literary, musical, and artistic talent - "The Tuscan Artist", as the poet John Milton referred to him. Galileo was exceptional in simultaneously excelling in the Arts, Science, Philosophy, and Theology. These diverse aspects of his life were closely intertwined; indeed, it may be said that he personally demonstrated that human culture is not divisible, but rather one, with a thousand shades. Galileo also represented the bridge between two historical epochs. As the philosopher Tommaso Campanella, a contemporary of Galileo, recognized at the time, Galileo was responsible for ushering in a new age, the Modern Age. This book, which is exceptional in the completeness of its coverage, explores all aspects of the life of Galileo, as a Tuscan artist and giant of the Renaissance, in a stimulating and reader-friendly way.

The Beauty of Space Art - An Illustrated Journey Through the Cosmos (Paperback, 2nd ed. 2021): Jon Ramer, Ron Miller The Beauty of Space Art - An Illustrated Journey Through the Cosmos (Paperback, 2nd ed. 2021)
Jon Ramer, Ron Miller
R1,049 R903 Discovery Miles 9 030 Save R146 (14%) Ships in 18 - 22 working days

Long before humans wrote, we painted. From mud and ash to acrylic and computers, artists across the centuries have found countless inventive ways to explore and express some of life's biggest mysteries. Enter space art, a genre of artistic expression that strives to capture the wonders of our universe. This lavishly illustrated book chronicles the remarkable development of space art from a fledgling theme to a modern movement. In Part I, we traverse the history of art and astronomy from ancient times, through the Industrial Revolution, and into the 20th-century Space Age. Part II delves into the diverse techniques and subgenres of space art, where you will learn about things like rocks and balls, hardware art, and cosmic expressionism. Along the way, we'll stop at places where neither humans nor spacecraft can easily go, from the scorching surface of Venus and the radiation-soaked volcanoes of Io to the alien terrain of exoplanets and the depths of distant galaxies. Featuring hundreds of original color images from space artists and astronomers alike, this book is a vivid visual story about the power of art, astronomy, and human curiosity. A heavily revised edition of the original Beauty of Space, it will entertain, educate, and inspire anybody who yearns to make sense of the strange and surreal sights in our universe.

Our Place in the Universe - II - The Scientific Approach to Discovery (Paperback, 1st ed. 2021): Sun Kwok Our Place in the Universe - II - The Scientific Approach to Discovery (Paperback, 1st ed. 2021)
Sun Kwok
R867 R756 Discovery Miles 7 560 Save R111 (13%) Ships in 18 - 22 working days

Starting from Newton's times this follow-up to the author's Springer book "Our Place in the Universe - Understanding Fundamental Astronomy from Ancient Discoveries" addresses the question of "our place in the Universe" from astronomical, physical, chemical, biological, philosophical and social perspectives. Using the history of astronomy to illustrate the process of discovery, the emphasis is on the description of the process of how we learned and on the exploration of the impacts of discoveries rather than on the presentation of facts. Thus readers are informed of the influence of science on a broad scale. Unlike the traditional way of teaching science, in this book, the author begins by describing the observations and then discusses various attempts to find answers (including unsuccessful ones). The goal is to help students develop a better appreciation of the scientific process and learn from this process to tackle real-life problems.

The Fabric of the Heavens (Paperback, New edition): Stephen Toulmin The Fabric of the Heavens (Paperback, New edition)
Stephen Toulmin
R805 Discovery Miles 8 050 Ships in 10 - 15 working days

Conceived as three companion volumes that form an introduction to the central ideas of the modern natural sciences, these books--intelligent, informative, and accessible--are an excellent source for those who have no technical knowledge of the subject.
Praise for "The Fabric of the Heavens":
"I cannot remember when I last went through a book, any book, with such all-devouring zest. What is more, even the most complex technicalities are reduced to a positively crystalline clarity: If I can understand them, anyone can. "The Fabric of the Heavens" is, in every sense of the word, an eye-opener."--Peter Green, "The Yorkshire Post"
"Not until the last chapter of the book is [the reader] allowed to think again wholly as a modern man has become accustomed, by common sense, to think. The discipline is admirably suited to the authors' task, and cunningly devised for the reader's edification--and, indeed, for his delight."--"Physics Today"
Praise for "The Architecture of Matter":
""The Architecture of Matter" is to be warmly recommended. It is that rare achievement, a lively book which at the same time takes the fullest possible advantage of scholarly knowledge."--Charles C. Gillespie, "New York Times Book Review"
"One is impressed by the felicity of the examples and by the lively clarity with which significant experiments and ideas are explained. . . . No other history of science is so consistently challenging."--"Scientific American"
Praise for "The Discovery of Time":
"A subject of absorbing interest . . . is presented not as a history of science, but as a chapter in the history of ideas from the ancient Greeks to our own time."--"Times Literary Supplement"

What We See in the Stars - An Illustrated Tour of the Night Sky (Hardcover): Kelsey Oseid What We See in the Stars - An Illustrated Tour of the Night Sky (Hardcover)
Kelsey Oseid
R451 R414 Discovery Miles 4 140 Save R37 (8%) Ships in 18 - 22 working days
Travels with Curiosity - Exploring Mars by Rover (Paperback, 1st ed. 2020): Charles J. Byrne Travels with Curiosity - Exploring Mars by Rover (Paperback, 1st ed. 2020)
Charles J. Byrne
R1,112 R940 Discovery Miles 9 400 Save R172 (15%) Ships in 18 - 22 working days

The Mars Curiosity Rover is the most sophisticated mobile laboratory ever deployed on a planet. For over seven years, scores of investigators have planned its daily route and activities, poring over the overwhelming images and data and revising our understanding of planetary surfaces, geology, and potential habitability. This book takes readers right down to the surface of Mars, chronicling Curiosity's physical and scientific journey across the planet's Earth-like, yet strikingly alien vistas. Through dozens of images and descriptive accounts of the surface, you will gain a deeper knowledge of the Martian landscape, from the floor of Gale Crater up to the cliffs of Mount Sharp. Presented at the end of each chapter are the results and revelations from the science team spearheading the mission. Like any cross-country road trip, the rover has hit some unexpected hitches along the way. The book describes the obstacles faced by the rover and its scientists over the years and the difficult decisions and careful experimentation it took to solve them.

Limitless: The Autobiography - The bestselling story of Britain's inspirational astronaut (Paperback): Tim Peake Limitless: The Autobiography - The bestselling story of Britain's inspirational astronaut (Paperback)
Tim Peake
R240 R190 Discovery Miles 1 900 Save R50 (21%) Ships in 5 - 7 working days

THE PERFECT SUMMER READ - From the #1 bestselling author of Hello, is this Planet Earth? and Ask an Astronaut As heard on BBC Radio 4 Desert Island Discs __________________ 'What surprised me was how entirely serene I felt. I was weightless, no forces exerting themselves on my body. To my left was the Space Station. Below me, gradually going into shadow, was the Earth. And over my right shoulder was the universe.' In fascinating and personal detail, and drawing on exclusive diaries and audio recordings from his mission, astronaut Tim Peake takes readers closer than ever before to experience what life in space is really like: the sights, the smells, the fear, the sacrifice, the exhilaration and the deep and abiding wonder of the view. Warm, inspiring and often funny, Tim also charts his surprising road to becoming an astronaut, from a shy and unassuming boy from Chichester who had a passion for flight, to a young British Army officer, Apache helicopter pilot, flight instructor and test pilot who served around the world. Tim's extensive eighteen-year career in the Army included the command of a platoon of soldiers in Northern Ireland during the Troubles, deployment in Bosnia, and operations in Afghanistan. Full of life lessons for readers of all ages, Limitless is the story of how ordinary can become extraordinary. __________________ 'For someone who has literally been out of this world Tim's an incredibly down to earth guy and I think you'll be amazed at some of the things he has done ... it's so inspiring to know that even going into space didn't change him as much as being a parent did.' JOE WICKS 'Tim is one of our nation's good guys - and his story is a testament to his courage, kindness and a never-give-up spirit.' BEAR GRYLLS 'Full of courage, camaraderie and daring escapades, this reads like a Boys' Own adventure' MIRROR 'A fantastic book' PIERS MORGAN 'Fasten your seatbelt for an exhilarating read ... His accounts of blasting into orbit at 25 times the speed of sound and floating, weightless, around the space station are enthralling.' EXPRESS Bestseller in the UK, Sunday Times, October 2020

How We See the Sky (Paperback, New): Thomas Hockey How We See the Sky (Paperback, New)
Thomas Hockey
R681 Discovery Miles 6 810 Ships in 10 - 15 working days

Gazing up at the heavens from our backyards or a nearby field, most of us see an undifferentiated mess of stars--if, that is, we can see anything at all through the glow of light pollution. Today's casual observer knows far less about the sky than did our ancestors, who depended on the sun and the moon to tell them the time and on the stars to guide them through the seas. Nowadays, we don't "need" the sky, which is good, because we've made it far less accessible, hiding it behind the skyscrapers and the excessive artificial light of our cities.

"How We See the Sky" gives us back our knowledge of the sky, offering a fascinating overview of what can be seen there without the aid of a telescope. Thomas Hockey begins by scanning the horizon, explaining how the visible universe rotates through this horizon as night turns to day and season to season. Subsequent chapters explore the sun's and moon's respective motions through the celestial globe, as well as the appearance of solstices, eclipses, and planets, and how these are accounted for in different kinds of calendars. In every chapter, Hockey introduces the common vocabulary of today's astronomers, uses examples past and present to explain them, and provides conceptual tools to help newcomers understand the topics he discusses.


Packed with illustrations and enlivened by historical anecdotes and literary references, "How We See the Sky" reacquaints us with the wonders to be found in our own backyards.

Practical Projects for Astronomers - How to Make and Enhance your own Equipment (Paperback): Neil Wyatt Practical Projects for Astronomers - How to Make and Enhance your own Equipment (Paperback)
Neil Wyatt
R490 Discovery Miles 4 900 Ships in 10 - 15 working days

Astronomy and astrophotography are fascinating hobbies. It is possible to create and enhance astronomical equipment and accessories using techniques and materials accessible to the hobbyist metalworker or model engineer. Written by an amateur astronomer and experienced hobby engineer, this wide-ranging book presents tried and tested ideas from the simplest of gadgets to advanced projects. Includes how to design and make refracting telescopes and how to make a Newtonian reflector around a mirror set. Instructions are given on making different types of eyepiece using stock lenses and making gadgets for collimation, polar alignment, focusing, sky quality metering and much more. Information is given on improving the performance of mounts and tripods and how to cool cameras and improve their performance for long-exposure photography. Details are given on making an equatorial platform for Dobsonian telescopes and using Arduinos and other electronic modules as part of your projects.

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