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Books > Professional & Technical > Other technologies > Space science

The Universe (Hardcover): Andrew Cohen The Universe (Hardcover)
Andrew Cohen; Foreword by Professor Brian Cox
R610 R547 Discovery Miles 5 470 Save R63 (10%) Ships in 12 - 17 working days

Every night, above our heads, a drama of epic proportions is playing out. Diamond planets, zombie stars, black holes heavier than a billion Suns. The cast of characters is extraordinary, and each one has its own incredible story to tell. We once thought of our Earth as unique, but we have now discovered thousands of alien planets, and that's barely a fraction of the worlds that are out there. And there are more stars in the Universe than grains of sand on every planet in the Solar System. But amid all this vastness, the Milky Way Galaxy, our Sun and the Earth are home to the only known life in the Universe - at least for now. With a foreword from Professor Brian Cox, and access to all the latest stunning NASA photography, Andrew Cohen takes readers on a voyage of discovery, via the probes and telescopes exploring the outer reaches of our galaxy, revealing how it was formed and how it will inevitably be destroyed by the enigmatic black hole at its heart. And beyond our galaxy, the expanding Universe, which holds clues to the biggest mystery of all - how did it all begin? We now know more about those first moments of existence than we ever thought possible, and hidden in this story of how it all began are the clues to the fate of the Universe itself and everything in it.

Breaking Boundaries - The Science of Our Planet (Hardcover): Johan Rockstroem, Owen Gaffney Breaking Boundaries - The Science of Our Planet (Hardcover)
Johan Rockstroem, Owen Gaffney; Foreword by Greta Thunberg
R350 R280 Discovery Miles 2 800 Save R70 (20%) Ships in 5 - 10 working days

On the brink of a critical moment in human history, this book presents a vision of "planetary stewardship" - a rethinking of our relationship with our planet - and plots a new course for our future. The authors, whose work is the subject of a new Netflix documentary released in summer 2021 and narrated by Sir David Attenborough, reveal the full scale of the planetary emergency we face - but also how we can stabilise Earth's life support system. The necessary change is within our power if we act now. In 2009, scientists identified nine planetary boundaries that keep Earth stable, ranging from biodiversity to ozone. Beyond these boundaries lurk tipping points. To stop short of these tipping points, the 2020s must see the fastest economic transition in history. This book demonstrates how societies are reaching positive tipping points that make this transition possible: Activism groups such as Extinction Rebellion, or the schoolchildren inspired by Greta Thunberg demand political action; countries are committing to eliminating greenhouse gas emissions; and one tipping point has even already passed - the price of clean energy has dropped below that of fossil fuels. Inside the pages of this scientifically-led publication, world-leading climate-change experts explain the greatest crisis humanity has ever faced. - Expert-authored text in an accessible style for both adults, and children ages 14+ - A breakdown of the 9 planetary boundaries for relative stability on Earth, ranging from biodiversity to the ozone layer - An exploration of climate "tipping points" - good and bad - Stunning infographics and images visualising the problems and solutions to climate change - Contains detailed and unique images of Earth produced by Globaia, the world's leading visualisers of human impact

Light in the Darkness - Black Holes, The Universe and Us (Hardcover): Heino Falcke, Joerg Roemer Light in the Darkness - Black Holes, The Universe and Us (Hardcover)
Heino Falcke, Joerg Roemer
R535 R443 Discovery Miles 4 430 Save R92 (17%) Ships in 10 - 20 working days

As featured in THE EDGE OF ALL WE KNOW - the new Netflix documentary about Black Holes For readers of Stephen Hawking, a fascinating account of the universe from the perspective of world-leading astrophysicist Heino Falcke, who took the first ever picture of a black hole. 10th April 2019: a global sensation. Heino Falcke, a man "working at the boundaries of his discipline and therefore at the limits of the universe" had used a network of telescopes spanning the entire planet to take the first picture of a black hole. Light in the Darkness examines how mankind has always looked to the skies, mapping the journey from millennia ago when we turned our gaze to the heavens, to modern astrophysics. Heino Falcke and Jorg Romer entertainingly and compellingly chart the breakthrough research of Falcke's team, an unprecedented global community of international colleagues developing a telescope complex enough to look directly into a black hole - a hole where light vanishes, and time stops. What does this development mean? Is this the beginning of a new physics? What can we learn from this about God, the world, and ourselves? For Falcke, astrophysics and metaphysics, science and faith, do not exclude one another. Black Hole is both a plea for curiosity and humility; it's interested in both what we know, and the mysteries that remain unsolved.

Mars and Its Mystery (Paperback): Edward Sylvester Morse Mars and Its Mystery (Paperback)
Edward Sylvester Morse
R419 Discovery Miles 4 190 Ships in 12 - 17 working days
Lunar Outfitters - Making the Apollo Space Suit (Hardcover): Bill Ayrey Lunar Outfitters - Making the Apollo Space Suit (Hardcover)
Bill Ayrey
R975 Discovery Miles 9 750 Ships in 7 - 11 working days

The design processes behind a giant leap for mankind. Neil Armstrong in a space suit on the moon remains an iconic representation of America's technological ingenuity. Few know that the Model A-7L pressure suit worn by the Apollo 11 astronauts, and the Model A-7LB that replaced it in 1971, originated at ILC Industries (now ILC Dover, LP), an obscure Delaware industrial firm.Longtime ILC space suit test engineer Bill Ayrey draws on original files and photographs to tell the dramatic story of the company's role in the Apollo Program. Though respected for its early designs, ILC failed to win NASA's faith. When the government called for new suit concepts in 1965, ILC had to plead for consideration before NASA gave it a mere six weeks to come up with a radically different design. ILC not only met the deadline but won the contract. That underdog success led to its greatest challenge: winning a race against time to create a suit that would determine the success or failure of the Apollo missions-and life or death for the astronauts. A fascinating behind-the-scenes history of a vital component of the space program, Lunar Outfitters goes inside the suit that made it possible for human beings to set foot on the Moon.

Space Forces - A Critical History of Life in Outer Space (Hardcover): Fred Scharmen Space Forces - A Critical History of Life in Outer Space (Hardcover)
Fred Scharmen
R443 R381 Discovery Miles 3 810 Save R62 (14%) Ships in 10 - 20 working days

Many societies have imagined going to live in space. What they want to do once they get up there - whether conquering the unknown, establishing space "colonies," privatising the moon's resources - reveals more than expected. In this fascinating radical history of space exploration, Fred Scharmen shows that often science and fiction have combined in the imagined dreams of life in outer space, but these visions have real implications for life back on earth. For the Russian Cosmists of the 1890s space was a place to pursue human perfection away from the Earth. For others, such as Wernher Von Braun, it was an engineering task that combined, in the Space Race, the Cold War, and during World War II, with destructive geopolitics. Arthur C Clark in his speculative books offered an alternative vision of wonder that is indifferent to human interaction. Meanwhile NASA planned and managed the space station like an earthbound corporation. Today, the market has arrived into outer space and exploration is the plaything of superrich technology billionaires, who plan to privatise the mineral wealth for themselves. Are other worlds really possible? Bringing these figures and ideas together reveals a completely different story of our relationship with outer space, as well as the dangers of our current direction of extractive capitalism and colonisation.

Letters of Note: Outer Space (Paperback): Shaun Usher Letters of Note: Outer Space (Paperback)
Shaun Usher
R301 R253 Discovery Miles 2 530 Save R48 (16%) Ships in 7 - 11 working days

An irresistible new volume of missives about outer space, from the author of the bestselling Letters of Note collections In Letters of Note: Outer Space, Shaun Usher brings together fascinating correspondence about the universe beyond our planet, containing hopeful thoughts about the future of space travel, awestruck messages penned about the world beyond our own and celebrations of the human ingenuity that has facilitated our understanding of the cosmos. Includes letters by: Buzz Aldrin, Isaac Asimov, Marion Carpenter, Yuri Gagarin, Ann Druyan, Stanley Kubrick, Nikola Tesla, Neil DeGrasse Tyson & many more

Look Up - Our Story with the Stars (Paperback): Sarah Cruddas Look Up - Our Story with the Stars (Paperback)
Sarah Cruddas; Foreword by Michael Collins
R232 R205 Discovery Miles 2 050 Save R27 (12%) Ships in 12 - 17 working days

'Sarah Cruddas is a gifted writer and Look Up is an inspired book. I am hopeful that we will never stop looking up.' Apollo 11 astronaut Michael Collins Most of us have never been to space. To date, of the more than 100 billion humans that have ever existed, fewer than 600 humans have ever left Earth. But the exploration of space is the most significant thing we will ever do as a species. Sarah Cruddas has been looking to the skies her entire life. Her childhood was spent staring at the Moon and hearing stories of the space race, and she worked in a fruit factory to fund her love of the subject. Her subsequent career studying astrophysics, and becoming a television host and space journalist has seen her report on space exploration and chase launches across the world. In Look Up Sarah explains why she has always been a passionate advocate for why space should matter - to everyone. From our ancestors who first painted patterns of the stars in caves, to the US and Soviet pioneers who first forged a path beyond our planet, Sarah Cruddas explores the stories and sacrifices that humankind has made to understand more about our place in the universe. And even today, when Moon walking and people in space suits seem less relevant to us than climate change and conflicts here on Earth, she shows how everything from medicine to mobile phones is affected by space technology, and how a new generation of entrepreneurs have kick-started a new story with the stars. This is an inspirational and enlightening introduction to the importance of space to everyone, and why we should all learn to Look Up.

Think Like a Rocket Scientist - Simple Strategies You Can Use to Make Giant Leaps in Work and Life (Paperback): Ozan Varol Think Like a Rocket Scientist - Simple Strategies You Can Use to Make Giant Leaps in Work and Life (Paperback)
Ozan Varol
R366 Discovery Miles 3 660 Ships in 12 - 17 working days
Alien Oceans - The Search for Life in the Depths of Space (Paperback): Kevin Hand Alien Oceans - The Search for Life in the Depths of Space (Paperback)
Kevin Hand
R404 R350 Discovery Miles 3 500 Save R54 (13%) Ships in 12 - 17 working days

Inside the epic quest to find life on the water-rich moons at the outer reaches of the solar system Where is the best place to find life beyond Earth? We often look to Mars as the most promising site in our solar system, but recent scientific missions have revealed that some of the most habitable real estate may actually lie farther away. Beneath the frozen crusts of several of the small, ice-covered moons of Jupiter and Saturn lurk vast oceans that may have existed for as long as Earth, and together may contain more than fifty times its total volume of liquid water. Could there be organisms living in their depths? Alien Oceans reveals the science behind the thrilling quest to find out. Kevin Peter Hand is one of today's leading NASA scientists, and his pioneering research has taken him on expeditions around the world. In this captivating account of scientific discovery, he brings together insights from planetary science, biology, and the adventures of scientists like himself to explain how we know that oceans exist within moons of the outer solar system, like Europa, Titan, and Enceladus. He shows how the exploration of Earth's oceans is informing our understanding of the potential habitability of these icy moons, and draws lessons from what we have learned about the origins of life on our own planet to consider how life could arise on these distant worlds. Alien Oceans describes what lies ahead in our search for life in our solar system and beyond, setting the stage for the transformative discoveries that may await us.

Meteorite - How Stones From Outer Space Made Our World (Paperback): Tim Gregory Meteorite - How Stones From Outer Space Made Our World (Paperback)
Tim Gregory
R265 R212 Discovery Miles 2 120 Save R53 (20%) Ships in 5 - 10 working days

Meteorite tells the fascinating story of the stones from outer space scattered across our planet. From the impact that finished off the dinosaurs to the dagger made of extraterrestrial iron found in Tutankhamun's tomb, this book is packed full of surprising information, unlikely pioneers and eye-opening science. Dr Tim Gregory explains how these rocky fragments offer clues not just to the earliest origins of everything, but also to humanity's survival into the future. 'A passionate communicator, Tim Gregory conjures colourful environments and events far outside the human' NATURE 'Meticulous and eminently readable, served with clarity, erudition and humour' WALL STREET JOURNAL 'Tim Gregory gets it. He has an uncanny ability to swiftly understand, to clearly explain, and to be joyful' CHRIS HADFIELD

Meteorite - The Stones From Outer Space That Made Our World (Hardcover): Tim Gregory Meteorite - The Stones From Outer Space That Made Our World (Hardcover)
Tim Gregory
R447 R373 Discovery Miles 3 730 Save R74 (17%) Ships in 10 - 20 working days

Every rock has a story tell, and none more so than those which have fallen from the sky: meteorites. Originating in the Asteroid Belt between Mars and Jupiter, these rocky fragments offer clues not just to the earliest origins of the Solar System but also to Earth's very survival into the future. Sky at Night presenter, Dr Tim Gregory takes us on a journey through the very earliest days of our Solar System to the spectacular meteorite falls that produced 'fiery rain' in 1792, to the pre-solar grains (literally stardust) that were blown in from other solar systems and are the oldest solid objects ever discovered on earth. Meteorites reveal a story much bigger than ourselves or our planet. As Tim says, 'it is an epic beyond compare'.

The Astronomy Puzzle Book (Hardcover): Royal Observatory Greenwich, Gareth Moore The Astronomy Puzzle Book (Hardcover)
Royal Observatory Greenwich, Gareth Moore
R355 R284 Discovery Miles 2 840 Save R71 (20%) Ships in 5 - 10 working days

__________ Pre-order now: the biggest quiz book of 2021. The Astronomy Puzzle Book is a puzzle book that's truly out of this world __________ What's Goldilocks got to do with the study of space? Everyone's heard of NASA, but can you name any of the other 72 space agencies around the world? And do you know your lunar and solar deities? The Astronomy Puzzle Book is packed with more than 100 puzzles that have been inspired by the Royal Observatory's history and collections. The conundrums and riddles in this book celebrate all that is inspiring and fascinating about space, the stars and the history of astronomy. Inside this book, you will find astronomical instruments, star charts, famous astronomers and much more. Explore some of the latest astronomical theories and achievements in space exploration as you decipher the clues and solve the puzzles. Put your problem-solving skills to the test by delving deep into the darkest corners of space. __________ Space has the power to inspire and fascinate all of us on Earth and the history of astronomy has been one of solving puzzles. Now it's your turn.

The Zoologist's Guide to the Galaxy - What Animals on Earth Reveal About Aliens--and Ourselves (Hardcover): Arik... The Zoologist's Guide to the Galaxy - What Animals on Earth Reveal About Aliens--and Ourselves (Hardcover)
Arik Kershenbaum
R614 R517 Discovery Miles 5 170 Save R97 (16%) Ships in 7 - 11 working days
How Space Works - The Facts Visually Explained (Hardcover): Dk How Space Works - The Facts Visually Explained (Hardcover)
Dk
R474 Discovery Miles 4 740 Ships in 12 - 17 working days
Once Upon a Time I Lived on Mars - Space, Exploration, and Life on Earth (Paperback): Kate Greene Once Upon a Time I Lived on Mars - Space, Exploration, and Life on Earth (Paperback)
Kate Greene
R349 R295 Discovery Miles 2 950 Save R54 (15%) Ships in 7 - 11 working days
Handbook of Cosmic Hazards and Planetary Defense (Hardcover, 2015 ed.): Joseph N. Pelton, Firooz Allahdadi Handbook of Cosmic Hazards and Planetary Defense (Hardcover, 2015 ed.)
Joseph N. Pelton, Firooz Allahdadi
R14,880 Discovery Miles 148 800 Ships in 7 - 11 working days

Covers in a comprehensive fashion all aspects of cosmic hazards and possible strategies for contending with these threats through a comprehensive planetary defense strategy. This handbook brings together in a single reference work a rich blend of information about the various types of cosmic threats that are posed to human civilization by asteroids, comets, bolides, meteors, solar flares and coronal mass ejections, cosmic radiation and other types of threats that are only recently beginning to be understood and studied, such as investigation of the "cracks" in the protective shield provided by the Van Allen belts and the geomagnetosphere, of matter-antimatter collisions, orbital debris and radiological or biological contamination. Some areas that are addressed involve areas about which there is a good deal of information that has been collected for many decades by multiple space missions run by many different space agencies, observatories and scientific researchers. Other areas involving research and studies that have only recently gotten underway are discussed by some of the world's foremost experts in each of these areas, who provide up-to-date and scientifically verifiable information. Although much of the work in these various areas have been conducted by space agencies, an expanding range of work is also being carried out by observatories, by universities and other research centers, and even by private foundations and professional organizations. The purpose of this work is thus several-fold: to include the latest information and most systematic research from around the world in a single reference work; to note where there are significant gaps in knowledge where new research, spacecraft, observatories, or other initiatives are needed to fill in critical missing information; and to give the best possible information about preventative actions that might be taken against cosmic threats and identify various alternative strategies that are now under way or planned to cope with these various threats.

Commercial Uses of Space and Space Tourism - Legal and Policy Aspects (Hardcover): Jan Wouters, Philip de Man, Rik Hansen Commercial Uses of Space and Space Tourism - Legal and Policy Aspects (Hardcover)
Jan Wouters, Philip de Man, Rik Hansen
R3,085 Discovery Miles 30 850 Ships in 12 - 17 working days

Commercial Uses of Space and Space Tourism combines the perspectives of academics, policy makers and major industry players around three central themes: the international legal challenges posed by the dramatic changes to the spacefaring landscape; the corresponding legal and regulatory responses to these challenges at the national level; and topical questions of global space governance. Chapters cover emerging activities in commercial spacefaring, including space tourism and space transportation, and identify the regulatory issues that may arise in the absence of a clear boundary between airspace and outer space. By taking a pragmatic, inductive approach, the book aims to breathe new life into the discussion of the air?space boundary, while informing readers about the many exciting recent developments in commercial spacefaring. This book will appeal to lecturers, academics and students in space law and air law, as well as policy makers and industry practitioners involved in the regulation of orbital and suborbital commercial spaceflight, both manned and unmanned. Contributors include: P. De Man, M. Gold, A. Harrington, C. Hearsey, T. Herman, A. Kerrest, J.-B. Marciacq, J.-F. Mayence, W. Munters, D.P. Murray, K. Nyman-Metcalf, L.J. Smith, A. Soucek, J. Stubbs, S. Wood, J. Wouters

Beneath the Night - How the stars have shaped the history of humankind (Paperback, Main): Stuart Clark Beneath the Night - How the stars have shaped the history of humankind (Paperback, Main)
Stuart Clark
R265 R221 Discovery Miles 2 210 Save R44 (17%) Ships in 10 - 20 working days

The awe-inspiring history of humanity told through our relationship with stars and the night sky. 'Excellent . . . This books makes you rethink the traditional story of the history of astronomy . . . Effortlessly readable.' BBC Sky at Night 'Stuart Clark's picture of the yawning gaps in our understanding of the cosmos is fuller than most.' Nature From the Stone Age to the Space Age, Stuart Clark explores a fascination shared across the world, one that has unequivocally shaped us as civilisations and as individuals, housing our hopes and fears. In the stars, we can see our past - and ultimately, our fate.

Liftoff - Elon Musk and the Desperate Early Days That Launched Spacex (Hardcover): Eric Berger Liftoff - Elon Musk and the Desperate Early Days That Launched Spacex (Hardcover)
Eric Berger
R402 Discovery Miles 4 020 Ships in 12 - 17 working days

'Just read it.' Elon Musk The dramatic inside story of the first four historic flights that launched SpaceX-and Elon Musk-from a shaky startup into the world's leading edge rocket company. SpaceX has enjoyed a miraculous decade. Less than 20 years after its founding, it boasts the largest constellation of commercial satellites in orbit, has pioneered reusable rockets, and in 2020 became the first private company to launch human beings into orbit. Half a century after the space race SpaceX is pushing forward into the cosmos, laying the foundation for our exploration of other worlds. But before it became one of the most powerful players in the aerospace industry, SpaceX was a fledgling startup, scrambling to develop a single workable rocket before the money ran dry. The engineering challenge was immense; numerous other private companies had failed similar attempts. And even if SpaceX succeeded, they would then have to compete for government contracts with titans such as Lockheed Martin and Boeing, who had tens of thousands of employees and tens of billions of dollars in annual revenue. SpaceX had fewer than 200 employees and the relative pittance of $100 million in the bank. In Liftoff, Eric Berger takes readers inside the wild early days that made SpaceX. Focusing on the company's first four launches of the Falcon 1 rocket, he charts the bumpy journey from scrappy underdog to aerospace pioneer. drawing upon exclusive interviews with dozens of former and current engineers, designers, mechanics, and executives, including Elon Musk. The enigmatic Musk, who founded the company with the dream of one day settling Mars, is the fuel that propels the book, with his daring vision for the future of space.

An Astronaut's Guide to Life on Earth (Paperback): Chris Hadfield An Astronaut's Guide to Life on Earth (Paperback)
Chris Hadfield
R230 R198 Discovery Miles 1 980 Save R32 (14%) Ships in 5 - 10 working days

Back on the earth after three spaceflights, Chris Hadfield's captivating memoir An Astronaut's Guide to Life on Earth reveals extraordinary stories from his life as an astronaut, and shows how to make the impossible a reality. This edition contains a new afterword. Colonel Chris Hadfield has spent decades training as an astronaut and has logged nearly 4,000 hours in space. During this time he has broken into a Space Station with a Swiss army knife, disposed of a live snake while piloting a plane, been temporarily blinded while clinging to the exterior of an orbiting spacecraft, and become a YouTube sensation with his performance of David Bowie's 'Space Oddity' in space. The secret to Chris Hadfield's success - and survival - is an unconventional philosophy he learned at NASA: prepare for the worst - and enjoy every moment of it. In his book, An Astronaut's Guide to Life on Earth, Chris Hadfield takes readers deep into his years of training and space exploration to show how to make the impossible possible. Through eye-opening, entertaining stories filled with the adrenaline of launch, the mesmerizing wonder of spacewalks and the measured, calm responses mandated by crises, he explains how conventional wisdom can get in the way of achievement - and happiness. His own extraordinary education in space has taught him some counter-intuitive lessons: don't visualize success, do care what others think, and always sweat the small stuff. You might never be able to build a robot, pilot a spacecraft, make a music video or perform basic surgery in zero gravity like Colonel Hadfield. But his vivid and refreshing insights in this book will teach you how to think like an astronaut, and will change, completely, the way you view life on Earth - especially your own.

Back to Earth - What Life in Space Taught Me About Our Home Planet-And Our Mission to Protect It (Hardcover): Nicole Stott Back to Earth - What Life in Space Taught Me About Our Home Planet-And Our Mission to Protect It (Hardcover)
Nicole Stott
R649 R525 Discovery Miles 5 250 Save R124 (19%) Ships in 10 - 20 working days

When NASA Astronaut Nicole Stott first saw the Earth from space, she was filled with awe. Our shared home was a brilliant blue marble, with a razor thin atmosphere protecting billions of people, including everyone she loved. She realized that we are all bound together on this fragile planet. When she came back to earth, she knew she had to share this vision to help protect it. Stott knows the scale of the daunting task at hand-and yet, she believes we can set aside our differences and work together to tackle the most challenging planetary problems humanity has ever faced. She knows this, because she's seen it happen, on the International Space Station. Throughout her book, Stott imparts hard-won lessons in high-stakes problem solving, survival, and responding to crisis in space. On a space station, astronauts can't wait for someone else to handle a rescue; and when it comes to our earthbound problems, Stott learned that everyone should live like a crewmember, not like a passenger. In space, where everyone survives in a closed system, everything is local-and Stott discovered that in a profound way, the same is true back at home. Back to Earth distills these lessons and more into seven principles that can be practiced by each and every one of us to make much-needed change. In addition to sharing stories from her own spaceflight, Stott offers eye-opening insights from scientists and changemakers already sparking meaningful change in their communities and around the globe. She explores the complexities and splendor of the earth's biodiversity, and what it takes to preserve it, with both pioneering scientists on earth and engineers working to enable life in space. She meets with activists who use their time in space to advocate for clean water, and with executives who quit their corporate positions and use their global reach to become environmental leaders. Through her stirring call to action, Nicole Stott reveals how we each have the power to respect the Earth and one another-and to change our own lives in the process. And, while we're at it, we might just save humanity.

Nanohertz Gravitational Wave Astronomy (Paperback): Stephen R. Taylor Nanohertz Gravitational Wave Astronomy (Paperback)
Stephen R. Taylor
R1,390 Discovery Miles 13 900 Ships in 12 - 17 working days

Nanohertz Gravitational Wave Astronomy explores the exciting hunt for low frequency gravitational waves by using the extraordinary timing precision of pulsars. The book takes the reader on a tour across the expansive gravitational-wave landscape, from LIGO detections to the search for polarization patterns in the Cosmic Microwave Background, then hones in on the band of nanohertz frequencies that Pulsar Timing Arrays (PTAs) are sensitive to. Within this band may lie many pairs of the most massive black holes in the entire Universe, all radiating in chorus to produce a background of gravitational waves. The book shows how such extra-Galactic gravitational waves can alter the arrival times of radio pulses emanating from monitored Galactic pulsars, and how we can use the pattern of correlated timing deviations from many pulsars to tease out the elusive signal. The book takes a pragmatic approach to data analysis, explaining how it is performed in practice within classical and Bayesian statistics, as well as the numerous strategies one can use to optimize numerical Bayesian searches in PTA analyses. It closes with a complete discussion of the data model for nanohertz gravitational wave searches, and an overview of the past achievements, present efforts, and future prospects for PTAs. The book is accessible to upper division undergraduate students and graduate students of astronomy, and also serves as a useful desk reference for experts in the field. Key features: Contains a complete derivation of the pulsar timing response to gravitational waves, and the overlap reduction function for PTAs. Presents a comprehensive overview of source astrophysics, and the dynamical influences that shape the gravitational wave signals that PTAs are sensitive to. Serves as a detailed primer on gravitational-wave data analysis and numerical Bayesian techniques for PTAs.

Look Up - Our Story with the Stars (Hardcover): Sarah Cruddas Look Up - Our Story with the Stars (Hardcover)
Sarah Cruddas; Foreword by Michael Collins
R345 Discovery Miles 3 450 Ships in 12 - 17 working days

'Sarah Cruddas is a gifted writer and Look Up is an inspired book. I am hopeful that we will never stop looking up.' Apollo 11 astronaut Michael Collins Most of us have never been to space. To date, of the more than 100 billion humans that have ever existed, fewer than 600 humans have ever left Earth. But the exploration of space is the most significant thing we will ever do as a species. Sarah Cruddas has been looking to the skies her entire life. Her childhood was spent staring at the Moon and hearing stories of the space race, and she worked in a fruit factory to fund her love of the subject. Her subsequent career studying astrophysics, and becoming a television host and space journalist has seen her report on space exploration and chase launches across the world. In Look Up Sarah explains why she has always been a passionate advocate for why space should matter - to everyone. From our ancestors who first painted patterns of the stars in caves, to the US and Soviet pioneers who first forged a path beyond our planet, Sarah Cruddas explores the stories and sacrifices that humankind has made to understand more about our place in the universe. And even today, when Moon walking and people in space suits seem less relevant to us than climate change and conflicts here on Earth, she shows how everything from medicine to mobile phones is affected by space technology, and how a new generation of entrepreneurs have kick-started a new story with the stars. This is an inspirational and enlightening introduction to the importance of space to everyone, and why we should all learn to Look Up.

What's Eating the Universe? - And Other Cosmic Questions (Hardcover): Paul Davies What's Eating the Universe? - And Other Cosmic Questions (Hardcover)
Paul Davies
R405 R324 Discovery Miles 3 240 Save R81 (20%) Ships in 5 - 10 working days

'Brilliant. You won't find a clearer, more engaging guide to what we know (or would like to know) about the universe and how it is put together' Bill Bryson Celebrated physicist and global bestselling author Paul Davies tells the story of the universe in thirty cosmological conundrums In the constellation of Eridanus there lurks a cosmic mystery. It's as if something has taken a huge bite out of the universe, leaving a super-void. What could be the culprit? A super massive black hole? Another, bigger universe? Or an expanding vacuum bubble, destined to envelop and annihilate everything in existence? Scientists now understand the history of our universe better than the history of our own planet, but they continue to uncover startling new riddles-the hole in the universe being just one. In this electrifying book, award-winning physicist Paul Davies walks us through the puzzles and paradoxes that have preoccupied cosmologists from ancient Greece to the present day. Laying bare the audacious research that has led us to mind-bending solutions, Davies reveals how we might begin to approach the greatest outstanding enigmas of all.

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