Book Description
An incredible, true-life adventure set on the most dangerous frontier of all—outer spaceIn the nearly forty years since Neil Armstrong walked on the moon, space travel has come to be seen as a routine enterprise—at least until the shuttle Columbia disintegrated like the Challenger before it, reminding us, once again, that the dangers are all too real.
Too Far from Home vividly captures the hazardous realities of space travel. Every time an astronaut makes the trip into space, he faces the possibility of death from the slightest mechanical error or instance of bad luck: a cracked O-ring, an errant piece of space junk, an oxygen leak . . . There are a myriad of frighteningly probable events that would result in an astronaut’s death. In fact, twenty-one people who have attempted the journey have been killed.
Yet for a special breed of individual, the call of space is worth the risk. Men such as U.S. astronauts Donald Pettit and Kenneth Bowersox, and Russian flight engineer Nikolai Budarin, who in November 2002 left on what was to be a routine fourteen-week mission maintaining the International Space Station.
But then, on February 1, 2003, the Columbia exploded beneath them. Despite the numerous news reports examining the tragedy, the public remained largely unaware that three men remained orbiting the earth. With the launch program suspended indefinitely, these astronauts had suddenly lost their ride home.
Too Far from Home chronicles the efforts of the beleaguered Mission Controls in Houston and Moscow as they work frantically against the clock to bring their men safely back to Earth, ultimately settling on a plan that felt, at best, like a long shot.
Latched to the side of the space station was a Russian-built Soyuz TMA-1 capsule, whose technology dated from the late 1960s (in 1971 a malfunction in the Soyuz 11 capsule left three Russian astronauts dead.) Despite the inherent danger, the Soyuz became the only hope to return Bowersox, Budarin, and Pettit home.
Chris Jones writes beautifully of the majesty and mystique of space travel, while reminding us all how perilous it is to soar beyond the sky.
Customer Reviews:
Great for those with interest in life in space........2007-09-15
I really enjoyed this book. I have always had an interest in the space program since I grew up in Florida and would watch most launches when I was in grade school. There were just a few parts of the book that might not be totally accurate due to the writers background as a sports writer and that is why I gave 4 stars. Happy reading!
stuck in space..........2007-07-30
In February of 2003 the space shuttle Columbia disintegrated upon re-entry into Earth's atmosphere and all seven astronauts aboard were lost. The news shattered the pysche of our nation and as TOO FAR FROM HOME strongly details the last people to see them and who felt their loss so acutely were the 3 astronauts aboard the International Space Station who had just seen Columbia disenage from station. Americans Kenneth Bowersox, and Don Pettit and Russian Nikolai Budarin were left with only the outdated Soviet capsule Soyuz to get back home. With the mission estended and no end in sight the author richly details life aboard the ISS and all the inherent risks of life in space and all the spectacular reasons why men and women risk their lives to be in space.
Couldn't put this book down!.......2007-07-25
I really enjoyed reading this book. The writing is beautiful and very descriptive. It reads like a science fiction book. It is very fast-paced and easy reading.
In November 2002, ten astronauts left Earth aboard the space shuttle Columbia headed for the International Space Station (ISS). The mission was to depart much earlier, but problems, both technical and weather related, marred the launch. On one launch date, when the astronauts were already strapped-in in their seats aboard space shuttle Columbia, bad weather in their emergency landing site in Spain prevented the launch. The astronauts had to return home. On another occasion, a technical fault cancelled the launch. When the new launch date in November was approaching, the astronauts were wandering if more problems would suddenly appear and prevent another launch. Some astronauts believed that the mission had a bad luck aura around it, but did not discuss it openly. One astronaut had told his relatives that he was never coming back home again!
The launch did take place on November 2002, and to spectators on the ground and to the astronauts aboard Columbia the launch was routine and successful. But cameras aboard Columbia transmitted a different image to Mission Control. A piece was dislodged during the launch and hit critical heat shields located underside the shuttle. After reviewing the tape hundreds of times, Mission Control concluded that the piece must have bounced off the underside of the shuttle causing no damage.
On February 1, 2003, only seven of the ten astronauts were heading back to Earth aboard Columbia after bidding farewell to the three astronauts they left behind in the International Space Station. Sadly, they never made it back home. On re-entry, as witnessed by millions of spectators worldwide, Columbia exploded, killing all seven astronauts onboard. Contrary to what Mission Control thought at first, the heat shields were damaged during the launch. The three astronauts left behind in the International Space Station -- Donald Petit, Kenneth Bowersox, and Russian flight engineer Nikolai Budarin -- found themselves too far from home, stranded on the International Space Station!
Mission Controls in Houston and Moscow worked around the clock to bring back the astronauts safely. Launching another Space Shuttle was not an option, since further NASA space shuttle launches were suspended for months, perhaps years. There was also the problem of how to provide the stranded astronauts with enough supplies while they remained in space. Ultimately, they had to settle to a plan that, according to the author, was risky to say the least. Latched to the side of the space station was a Russian-built Soyuz TMA-1 capsule with outdated technology and, according to the Americans, a questionable safety record. In 1971 a malfunction in the Soyuz 11 capsule left three Russian cosmonauts dead (However, as one reviewer on amazon.com pointed out, all Soyuz crews since that mission have worn full pressure suits during launch and entry as a safeguard against that failure happening again). Furthermore, the Soyuz TMA-1 capsule hadn't been flight tested before (there was never a need to use it)! However, as far as the Russians were concerned, the Soyuz was safe and the only way to bring the astronauts back home.
Despite the inherent danger, the Soyuz became the only hope to return Bowersox, Budarin, and Petit home. Interestingly, though, the three astronauts had such a great time aboard the International Space Station that none of them wanted to return home when they were relieved. Aboard the Soyuz, the three astronauts eventually took "an accelerated, lung-crushing dive" back to earth. Their account aboard the Soyuz is remarkable, and will leave you gasping for air!
The author goes back to the history of the space race with Russia; with the first Russian in space; to animals sent in rockets to space; Neil Armstrong's walk on the moon; the Russian space station; and finally to the International Space Station. You will learn a lot of things about life in space that you probably did not know about, assuming you have not read such material before like me. For example, many early astronauts aboard space stations felt lonely and depressed and longed for home. All the earlier astronauts retired from NASA soon after their return from space! Two astronauts actually went on strike for a whole day while on a space station, and refused to continue their mission. They too retired from NASA on their return. However, the Russian cosmonauts fared much better. They adapted well to the loneliness and confines of space, unlike their American counterparts. According to the author, this is due to the simple life of the Russians as compared to the luxurious and comfortable life Americans lead and are used to.
You will learn a lot about the amazing beauty of a space walk, and how astronauts are so mesmerized by the beauty that they forget themselves, floating as in a trance towards Earth. One astronaut almost was lost in this way if it wasn't for another astronaut pulling him back! I actually went to my video store and bought an Imax DVD of a spacewalk! On the funny side, you'll learn how astronauts "take a crap" in zero gravity, and some quite embarrassing situations!
Here's some negative criticism from other reviewers on amazon.com:
"This author skips around with what in the movie business would be called flashbacks; a few of these are fine but I think this author over used them."
"Felt like there was a little too much effort put into making this into a Manly Tale. Everything seems a little too exaggerated -- the spicy language, the icy fear, the burning decisions. Maybe this style would have held up without question in a magazine, but at the novel's length, I kept wondering, "How do you know?" The little details started to feel like some of them were imagined or embellished; the writing was popping me out of being lost in the scene."
Overall, I highly recommend this book if you have never read non-fiction books on space before.
Too far from home: A story of Life and Death in Space.......2007-07-05
Arived quickly in time for a flight to Atlanta and back, was able to get entirely through it during both flights, However I generly like a lininar book, this author skips around with what in the movie business would be called flashbacks, a few of these are fine but I think this author over used them.
This is as good as it gets............2007-06-27
Ordinarily I wouldn't read a book on space travel because it's not something I've ever had an interest in. I picked the book up for my husband. I'm certainly glad I opened it myself. I read one of the comments where the person thought that Chris Jones should stick to what he knows, sports. I think it's obvious that Chris IS sticking to what he knows, the heart and soul that fills a person up and pushes them to go for the impossible. He understands the human spirit and writes about it beautifully. Space travel is a huge, poetic, heroic, incredible achievement that somehow I viewed with a blase' attitude -- Ho-hum, man in space.... What was I thinking! Thanks to Chris I will now always view it with a lump in my throat and gratitude to the remarkable men and women who make it happen.
Book Description
Compiled by a team of experts, this textbook has been designed for elementary university courses in astrobiology. It begins with an examination of how life may have arisen on Earth and then reviews the evidence for possible life on Mars, Europa and Titan. The potential for life in exoplanetary systems and the search for extraterrestrial intelligence are also discussed. The text contains numerous useful learning features such as boxed summaries, student exercises with full solutions, and a glossary of terms. It is also supported by a website hosting further teaching materials. Written in an accessible style that avoids complex mathematics, this book is suitable for self-study and will appeal to amateur enthusiasts as well as undergraduate students. It contains numerous helpful learning features such as boxed summaries, student exercises with full solutions, and a glossary of terms. The book is also supported by a webstite hosting further teaching materials.
Customer Reviews:
More astro than biology.......2004-10-22
This is an excellent textbook, with straightforward problems ... and answers! There's plenty of solid material here and very little fluff. The information is well presented, up-to-date, and easy to read.
Three of the nine chapters are about the potential for life elsewhere in our planetary system, in particular on Mars, Europa, and Titan. Another three chapters are on extrasolar planets: how to find them, what we've discovered so far about them, and what signatures of life we might try to look for on them in the future. There's also a chapter on the search for extraterrestrial intelligence (SETI). That leaves two chapters for the definition and origin of life, the Earth's acquisition of the necessary water and carbon, and so on. I'd prefer to see quite a bit more on biology here. I'd like to see much more discussion of the development of multicellular life, the changes in the Earth's environment caused by the production of oxygen, and the evolution of humans.
That said, I really liked the chapter on the origin of life. It was illuminating to read about the origin of chirality, written by a specialist in organic matter in meteorites. And I also especially liked the chapters on exoplanets.
Amazon.com
"Do you feel lucky? Well do ya?" asked Dirty Harry. Paleontologist Peter Ward and astronomer Donald Brownlee think all of us should feel lucky. Their rare Earth hypothesis predicts that while simple, microbial life will be very widespread in the universe, complex animal or plant life will be extremely rare. Ward and Brownlee admit that "It is very difficult to do statistics with an N of 1. But in our defense, we have staked out a position rarely articulated but increasingly accepted by many astrobiologists."
Their new science
is the field of biology ratcheted up to encompass not just life on Earth but also life beyond Earth. It forces us to reconsider the life of our planet as but a single example of how life might work, rather than as the only example.
The revolution in astrobiology during the 1990s was twofold. First, scientists grew to appreciate how incredibly robust microbial life can be, found in the superheated water of deep-sea vents, pools of acid, or even within the crust of the Earth itself. The chance of finding such simple life on other bodies in our solar system has never seemed more realistic. But second, scientists have begun to appreciate how many unusual factors have cooperated to make Earth a congenial home for animal life: Jupiter's stable orbit, the presence of the Moon, plate tectonics, just the right amount of water, the right position in the right sort of galaxy. Ward and Brownlee make a convincing if depressing case for their hypothesis, undermining the principle of mediocrity (or, "Earth isn't all that special") that has ruled astronomy since Copernicus. --Mary Ellen Curtin
Book Description
The sweeping diversity of complex life on Earth, Ward and Brownlee argue, evolved out of an extraordinary set of physical conditions and chance events that would be extremely hard to duplicate––though not impossible. Many planets throughout the vastness of the Universe may be teeming with microbial life, but advancement beyond this stage is very rare. Everyone with an interest in the possible extent of life in the Universe and the nature of life's evolution on our own planet will be fascinated by
Rare Earth. "...likely to cause a revolution in thinking..." The New York Times "...[the book] has hit the world of astrobiologists like a killer asteroid..." Newsday (New York) "...a sobering and valuable perspective..." Science "...a startling new hypothesis..." Library Journal "...Peter Ward and Donald Brownlee offer a powerful argument..." The Economist "...provocative, significant, and sweeping..." Northwest Science & Technology "...a stellar example of clear writing..." American Scientist
Customer Reviews:
Tectonic plates balance Greenhouse gases.......2007-08-31
Earth is the only planet with tectonic plates. Earth possesses water, the universal solvent and indispensable for life. Earth's mountains occur in chains. The giant mountains are Mars were created by volcanos. There is no equivalent to the Rockies, the Andes, the Himalyas, or the score of linear mountain chains. The process, the movement of planetary crust across the surface of the planet, is found in our solar system only on Earth.
Tectonic plates provide a wide range of biodiversity. The defense against mass extinction is diversity. Second, the tectonic plates provide our global thermostat by recycling chemical crucial to keeping the volume of carbon dioxide in our atmosphere relatively uniform. Third, plate tectonics is the dominate force that cause changes in sea levels, which in turn, are vital to the formation of minerals that keep the level of global carbon dioxide in check. Fourth, plate tectonics create continents on the earth. And finally, plate tectonics make possible the earth's magnetic field, the protection against cosmic radiation.
All the continents are masses of relatively low-density rock embedded in ground mass of more dense material. The low density rock have the average composition of granites, whereas, the higher density rocks that make up the ocean crust are basaltic in composition. Because granite is less dense than basalt, the granite rich continents float on a thin bed of basalt. The earth inner core is radioactive and generates heat deep inside the earth. As this heat rise toward the surface, it creates gigantic cells of hot, liquid rock in the mantle. The mantle rises, moves parallel with the surface for great distance, and then, cooled, settles back down into the depths. The upper mantle has a convection behavior. The mantle convects in the manner of liquid because the movement is so slow, and the temperatures so high, that the individual crystals have time to deform in response to stress.
Volcanos occur along subduction zones. The total are of the oceanic plates have decreased over time and the area of the continental plates has grown. The ocean crust can sink and be remelted back to magma. Whereas, the lighter continental crust remains afloat like a cork on the sea.
Plate tectonics promote environmental complexity and thus increase biodiversity. "Changes in continental position would affect ocean currents, temperature, seasonal rainfall patterns and fluctuations, the distribution of nutrients, and patterns of biological productivity." 2/3 of all animal species live on land. There are between 3 and 30 million plant and animal species alive today.
Volcanos recycle CO2 into the atmosphere. CO2 is stored in Limestone at the bottom of the ocean. The Limestone moves into subduction channels and is recycle through volcanic activity into the atmosphere. A temperature of 4-40 C is suitable for life and must be maintained. Greenhouse gases include: H20, O3, CO2, CH4 and are capable of capturing infrared energy from the earth's surface, in so doing, warm the planet. Oxygen and Nitrogen do not capture energy. However, suppose the oceans froze, this would cause an insufficient amount of CO2 generated for life to exist. CO2 constitutes on 0.035% of the atmosphere. Plate tectonics play an important role in maintaining levels of greenhouse gases. The water on the earth is .05% by weight. The maintenance of liquid water is controlled by global temperatures. The temperature of the earth is controlled by the amount of energy coming from the sun and how much energy is absorbed by the planet and how fast the greenhouse gases are replenished. If the green house gases are not replenished the earth will grow colder. "On a planet with volcanism there is usually an abundance of greenhouse gases, too much in some cases" - from both active and dormant volcanos.
Yes, but...........2007-08-13
Good book. Good recap of history of the planet and of our knowledge of the development of life on it.
Nice to read a work in which the pragmatism of the geologist tempers for theory of the astronomer. Good to read that there remain many things the authors don't or cannot know. That's life. Much better, so much better, than reading the nonsense posing as science that astrophysicists churn out when THEY don't know something.
From that maelstrom of 200 + IQs we get such nonsense as string theory and the big bang......but I don't recall once reading in this book how everything we observe out billions of light years all started as an infintesimal point .
I stopped reading astronomy books twenty years ago when I learned that those more intelligent than I had concluded that galaxies were held in place by strings of matter unimaginably strong etc. None of that bull in this book. Very pragmatic.
good show guys. I think we are alone in this little slice of time.
history of earth is fine, but left out the present and future.......2007-04-29
I gave this book 3 stars because it did not continue to go anywhere. Apparently the authors haven't spent as much time studying and keeping up with the subject of Extraterrstrials/UFOs. There is a wealth of information on the subject as a whold and they seemed to ignore it. I have a hard time beleiving that we are the only ones in the universe. We don't know how much is out there, and probably never will. But the UFO question is real and cannot dismiss it with it's available history.
Dodges the real issues.......2007-01-14
The authors theorize that because primitive life apparently (based on scientific evidence) began early in the earth's history that it is likely universal (and may have bounced around from Mars to earth). Once they accept this as a given the rest of the book is about how many factors are uniquely involved to accomodate complex life.
This approach glosses over two critical issues.
(1) All life on earth is based on the genetic code right down to 'simple' (structurally) viruses (from this point of view it is 'universal'; i.e. all life as we know it). The DNA and RNA processes of the genome are far too complex to arise spontaneously, whether here or from Mars. Modern science suggests that there must be a prebiotic evolution with a DNA precursor. The authors mention a number of theories including the popular "RNA World" theory where the RNA performed all of the necessary functions. However no one has successfully modeled this so it is only a hypothesis bordering on pure speculation. RNA specialist Gerald Joyce has gone so far as to say "The most reasonable assumption is that life did not start with RNA...The transition to an RNA world, like the origins of life in general, is fraught with uncertainty and is plagued by a lack of experimental data." The authors' distinction between 'simple' and 'complex' life from a scientific viewpoint is misguided. The critical first step or 'prebiotic phase' is so far unexplainable and applies to all life. As the authors of a recent unpublished paper (available on the web like many articles) state "The information crisis in prebiotic or chemical evolution stems essentially from two observations: (i) the length of a replicating polymer (i.e. RNA-like template) is limited by the replication accuracy per nucleotide, and (ii) templates that differ significantly from each other cannot coexist in a purely competitive setup. Realistic estimates of the error rate of primitive replication mechanisms predict too scanty information content per template - less than 100 nucleotides - to permit the complete codification of the mechanism in just one template."
(2) The earth clearly evolved over time from an original molten mass so one might well expect that as it cooled and water formed that more structurally complex life evolved with it (even if the prebiotic phase is universal). For those interested in the evolution they would be better educated by a book on Evolutionary Dynamics that does not, by a bunch of 'hand waving', spend time speculating about the qualitative effects of the moon on tides and Jupitor on asteroids. There is lots of science on the evolution of complexity and how it can work as opposed to not work. This is not to deny that life in the universe maybe very rare, but this is apparent from our telescopes and the very complexity of the much misunderstood first prebiotic steps. However the inference that these first steps can be taken for granted is not science.
Well thought out.......2006-11-04
A good book about the different "types" of life on earth and the necessary supporting ecosystems. Even though the book would be considered about astrobiology, much of it is about Earth and it's diversity of life.
Whether you agree with the authors or not, there is a lot of information of interest in the book.
Amazon.com
Humans are not native to the Earth. So posits astronautical engineer Bob Zubrin in the opening of Entering Space. We're native to just a small sliver of it, the spot where our species originated in tropical Kenya. We set out from that paradise about 50,000 years ago, north into "the teeth of the Ice Age," and all the ground we've gained since then has been thanks to our tenacity and our tools.
Zubrin reasons that it's time we cover a little more ground. Written with a boyish enthusiasm and formidable techie know-how, Entering Space urges us to realize "the feasibility, the necessity, and the promise" of becoming a space-faring civilization, of colonizing our own solar system and beyond. And Zubrin, author of the influential and widely acclaimed The Case for Mars, knows his stuff--NASA adapted his plans for near-term human exploration of Mars, and Carl Sagan gave the author no less credit: "Bob Zubrin really, nearly alone, changed our thinking on this issue." Entering Space plots the second and third phases of humanity's course--now that we've mastered our own planet, Zubrin says we must first look to settling our solar system (beginning with Mars) and then to the galaxy beyond.
With its practicable visions of using "iceteroids" to terraform Mars and harnessing the power of the outlying gas giants ("the solar system's Persian Gulf"), Entering Space succeeds at making the fantastic seem attainable, the stuff of science fiction, science fact. --Paul Hughes
Book Description
The man celebrated as "the Christopher Columbus of Mars" brings us to the very brink of human exploration.
Using nuts-and-bolts engineering and a unique grasp of human history, Robert Zubrin takes us to the not-very-distant future, when our global society will branch out into the universe. From the current-day prospect of lunar bases and Mars settlements to the outer reaches of other galaxies, Zubrin delivers the most important and forward-looking work on space and the true possibilities of human exploration since Carl Sagan's Cosmos.
Sagan himself said of Zubrin's humans-to-Mars plan, "Bob Zubrin really, nearly alone, changed our thinking on this issue." With Entering Space, he takes us further, into the prospect of human expansion to the outer planets of our own solar system--and beyond.
"An exhilarating and informative ride." --The San Diego Union-Tribune
"Robert Zubrin is a true engineering genius like the heroic engineers of the past." --Frederick Turner, American Enterprise
Customer Reviews:
Great balance.......2007-05-21
It is a great balance between scientific technospeak and general ideas. It's easy to follow though, because if you aren't really into and/or understand things like velocity and chemistry, you can continue reading and he explains it in another way. As you read it, many of the questions that pop up in your mind are soon answered. He does sound a bit bitter and frustrated on some NASA related manners, though it seems understandable. However, I do sense a hint of derision about the other sometimes important aspects of the federal budget that is sometimes annoying. He makes a convincing case about the ability and necessity of going into space.
The single most authoritative book on the potential human future in space.......2006-05-12
Astonishingly imaginative and technically authoritative, this is the single best and most important book that exists right now on the possibilities for the human future in space. Full disclosure: I have written articles for books Zubrin has edited. Dr. Zubrin, a Ph.D. in nuclear engineering with master's degrees in physics and aeronautics and astronautics, probably did more than any other single person to change everyone's thinking, including NASA's, about human missions to other planets, with the mission architecture he came up with for sending humans to Mars.
With Entering Space, he lays out a full overview of the human exploration and settlement of space, beginning with a penetrating look at the lack of progress in our human spaceflight capabilities over the past few decades, and progressing through manned missions to the Moon, Mars, the asteroids, throughout the solar system, and then to other star systems. His vision is of a thousand people on Mars a hundred years from now, and millions of people on thousands of planets a thousand years from now. There are plenty of other books covering at least some of these topics, to wildly varying degrees of plausibility. But Zubrin has the technical expertise to walk through the physical and engineering arguments to show how thoroughly plausible his ideas are.
His wide-ranging attention also extends to economic evaluations, historical analogies, and references to past ages of exploration and to Enlightenment ideals of freedom and democracy. He embraces confidence in science and the human capability to engineer our surroundings to our benefit, rejecting the now common pessimism toward those ideals. The result is an encouraging outlook: the world is what we make of it - whichever world that may be.
A detailed technical manifesto.......2004-12-25
If you're like me, you've always felt that it would be pretty cool (and useful) to be able to travel through space like we currently jet around the globe. If that's the case, then you've probably also ran up against a huge wall of "who cares?" whenever you try to express your excitement about the possibilities inherent in space travel. This cogent, well-researched book will help you do two things: Convince your friends that a spacefaring civilization is possible in the few decades or so, and that it is worthwhile. Believe you me - I have always thought that the problems involved in getting ourselves to Mars were more political than technical, but Zubrin makes it abundantly clear how we can get to Mars, the asteroids, and accomplish a host of other tasks, and all for pennies on NASA's current dollar estimates. Furthermore, he outlines the possible benefits to such programs, including the literally astronomical mineral wealth of the asteroids, technological drives, and the intangibles that go along with a new human push towards the frontiers. This book has rekindled the vision of space for me and every one of my friends who has taken the time to read it.
Highly recommended.
A touch preachy, speculative and stodgy.......2004-01-14
Robert Zubrin is obviously dissatisfied with the state of affairs with NASA. He complains about the lack of funding for certain programs and the lack of direction from the top brass. He makes his point but he should have cut it short.
The author seems to overlook potential pitfalls in his ideas. On using nuclear fusion for propulsion, Zubrin states that exhaust speed could reach 5 percent lightspeed, therefore Alpha Centauri could be reached in 86 years. This assumes that extra time for acceleration is negligible. For acceleration time to be negligible, the power involved would be well beyond what current research in fusion power suggests is reasonable. This oversight makes be doubt the feasibility of his much wilder proposals.
I appreciate technical details but Zubrin uses a pedantic style of writing more suitable for a textbook than a leisurely read. Zubrin's previous work, The Case for Mars, was never so tedious.
However, Zubrin does a good job on explaining many principles and concepts that would be of great interest to the space enthusiast--mainly on how to best exploit the solar system's resources while achieving inspirational goals for humanity. He also gives a concise overview of the debate on extraterrestrial intelligence an their detection.
I do recommend this book for space enthusiasts, but they should take it with a grain of salt.
Check the numbers!.......2003-06-03
I have only read the first seven chapters of this book so far, but I feel compelled to point out some errors of information. Zubrin attacks any idea that doesn't go to Mars directly without proper research. A few hours of web searching have shown that his pessimistic numbers about solar power and lunar agriculture are not up to par. Zubrin is a rocket engineer, and so he thinks only in terms of rockets. So far in my reading I haven't seen anything about light sails or his own magnetic sail idea (for an interesting breakthrough on magsails, run a web search for M2P2). Zubrin really, really wants to go to Mars right now, and so he tries to discredit any colonization ideas that don't accomplish that objective. Personally, I don't know why we would go to all of the trouble to escape one gravity well only to go and crawl down another one.
On the good side, the initial chapters have educated me on the reasons why space travel is so expensive, and I am looking forward to the chapters about colonizing the outer solar system. The book is very well written, with a comfortable level of technical detail, and even its negative aspects have caused me to learn much more than I expected to get out of this book when I purchased it. Absolutely worth the money, but I can only give it four stars becasue of Zubrin's unreasonable treatment of other people's ideas.
Average customer rating:
- An interesting book about a fundamental question
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Between Necessity and Probability: Searching for the Definition and Origin of Life (Advances in Astrobiology and Biogeophysics)
Radu Popa
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Book Description
This study investigates the major theories of the origins of life in the light of modern research with the aim of distinguishing between the necessary and the optional and between deterministic and random influences in the emergence of what we call ‘life.’ Life is treated as a cosmic phenomenon whose emergence and driving force should be viewed independently from its Earth-bound natural history. The author synthesizes all the fundamental life-related developments in a comprehensive scenario, and makes the argument that understanding life in its broadest context requires a material-independent perspective that identifies its essential fingerprints.
Customer Reviews:
An interesting book about a fundamental question.......2004-11-08
How did life originate? Well, it's a wide open question. As Popa tells us, an explanation that is missing a critical step won't do. There are plenty of clues. But Popa shows us that there are still many approaches to putting the clues together.
There are plenty of approaches that are being pursued today. Popa tells us about many of them. Still, let's remind ourselves of some of them. One is to look for fossil evidence and DNA evidence of our earliest ancestors. Say that these turn out to be hyperthermophiles. Use that information, as well as the stability properties of RNA and DNA, to deduce the environment life originated in. A second idea is to look at the way we synthesize RNA (or DNA) today. Use that information to speculate about how the first RNA and DNA evolved. A third idea is to look at the self-assembly properties of entities for clues. A fourth idea is to note the similarity of ATP and the nucleic acid adenine. Assume this is no coincidence! A fifth idea is to do all sorts of experiments with collections of monomers and see if they arrange themselves into replicating strings. A sixth idea is to concentrate on computer simulations of all this. Computer simulations of the origin of replication show that there are some dangers, such as the "selfish RNA catastrophe," the "short-circuit catastrophe," the "population collapse catastrophe," and simply the risk of too many replication errors. Draw conclusions from the fact that these hazards were successfully avoided. A seventh idea is to at least answer the question of what came first, replication, metabolism, or cellularization. And so on. It seems that there is a great deal we aren't at all sure of.
Popa starts with the issue of the issue of the development of cellularization, metabolism, and replication. He asserts that since all are needed for life, they must have evolved together, not serially. He states that the ATP coincidence probably is unimportant, with ATP's use as an energy carrier being a late development. And he takes on the mathematical modelers by stating that they generally omit first order effects by not tracing the energy flow and the degradation of the evolving entities.
The issues Popa dwells on most are the energy sources, bioinformation, chirality, and the origin of specificity (as opposed to "metabolism" or "homeostasis"). Of these, the part on chirality was the most interesting to me. Popa discusses the implication that life's chirality implies the existence of some large-scale chiral driver, such as rotating vortices or asymmetries in right and left circularly polarized light.
There's also quite a bit of useful material about the definition of life. Popa is right to make the point that "life" and "living entities" are not at all synonymous.
Anyway, it is an interesting book about a tough problem: I'm glad I can just read about it and don't have to solve it!
Book Description
Europa – The Ocean Moon tells the story of the Galileo spacecraft probe to Jupiter's moon, Europa. It provides a detailed description of the physical processes, including the dominating tidal forces that operate on Europa, and includes a comprehensive tour of Europa using images taken by Galileo's camera. The book reviews and evaluates the interpretative work carried out to date, providing a philosophical discussion of the scientific process of analyzing results and the pitfalls that accompany it. It also examines the astrobiological constraints on this possible biosphere, and implications for future research, exploration and planetary biological protection.
Europa – The Ocean Moon provides a unique understanding of the Galileo images of Europa, discusses the theory of tidal processes that govern its icy ridged and disrupted surface, and examines in detail the physical setting that might sustain extra-terrestrial life in Europa's ocean and icy crust.
Customer Reviews:
explains Galileo results.......2006-11-06
As one after the other of the planets seems so bereft of life, Europa holds a unique position. It has a frozen over ocean. Plus, in its orbit, there is the prospect of residual volcanism and tidal and magnetic effects providing a raw energy driver for life to have emerged and be sustained.
So the text gives the results of the Galileo probe. You get an appreciation for the difficulties surmounted. Every so often, NASA really does an amazing job. Fascinating observaitions, but these beg for more insight. Necessitates another probe, this time with even better technology for remote sensing. Given that Galileo was launched in the late 80s, think how much better computing resources we could now put into its successor!
The book certainly has more than just findings from Galileo. It also discusses our changing and improving understanding of how to model vastly different biospheres. But the text is clearly dominated by the real Galileo results. Not just speculation.
Portions of the book will be beyond the lay reader. But there's enough that is well written and accessible to everyone.
Average customer rating:
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Physics of the Earth's Space Environment: An Introduction
Gerd W. Prölss
Manufacturer: Springer
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Binding: Hardcover
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The Space Environment: Implications for Spacecraft Design
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Introduction to Space Physics (Cambridge Atmospheric & Space Science)
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The Earth's Magnetism: An Introduction for Geologists
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Groundwater Geophysics: A Tool for Hydrogeology
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Avalanche Dynamics
ASIN: 3540214267 |
Book Description
This book on the terrestrial space environment is directed at a broad group of students and scientists, who seek knowledge of the methods and results of space research. The only prerequisites are fundamental physics and mathematics as usually acquired in introductory college courses in science or engineering curricula. Stressing physical insight rather than mathematical precision,
Physics of the Earth's Space Environment derives further knowledge on selected topics as each phenomenon is considered and strives to present experimental results in conjunction with basic reasoning about the underlying physics. The content's breadth and introductory nature make this an ideal textbook for students in geophysics, meteorology, space sciences and astronomy.
Book Description
This text provides a comprehensive and timely introduction to general relativity. The foundations of the theory in Part I are thoroughly developed together with the required mathematical background from differential geometry in Part III. The six chapters in Part II are devoted to tests of general relativity and to many of its applications. Binary pulsars are studied in considerable detail. Much space is devoted to the study of compact objects, especially to black holes. This includes a detailed derivation of the Kerr solution, Israel's proof of his uniqueness theorem, and derivations of the basic laws of black hole physics. The final chapter of this part contains Witten's proof of the positive energy theorem.
The book addresses undergraduate and graduate students in physics, astrophysics and mathematics. It is very well structured and should become a standard text for a modern treatment of gravitational physics. The clear presentation of differential geometry makes it also useful for string theory and other fields of physics, classical as well as quantum.
General Relativity
is a complete revision and extension of Straumann's well-known classic textbook "General Relativity and Relativistic Astrophysics."
Average customer rating:
- The Mysteries of the Universe and Life revealed
- an excellent book
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Origins: The Quest for Our Cosmic Roots
Tom Yulsman
Manufacturer: Taylor & Francis
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Binding: Paperback
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ASIN: 075030765X |
Book Description
With stunning regularity, the search for our cosmic roots has been yielding remarkable new discoveries about the universe and our place in it. In his compelling book, Origins: The Quest for Our Cosmic Roots, veteran science journalist Tom Yulsman chronicles the latest discoveries and describes in clear and engaging terms what they mean. From the interior of protons to the outer reaches of the universe, and from the control room of one of the world's most powerful particle accelerators to an observatory atop the tallest mountain in the Pacific basin, Yulsman takes readers on a fantastic voyage at the cutting edge of science. How could the universe have sprouted from absolute nothingness? What is the origin of galaxies? How do stars and planets form? And despite what now seem to be incredible odds, how did Earth come to be a rich oasis of biodiversity-one that has given rise to a species intelligent enough to ask these questions? In laying out the answers, Origins addresses some of the most profound issues humans have ever confronted.
Customer Reviews:
The Mysteries of the Universe and Life revealed.......2003-12-06
Tom Yulsman has succeeded in explaining extremely difficult concepts, such as quantum mechanics, planet, star and galaxy formation, as well as theories on the creation of the universe and life, in a concise, interesting and understandable way. His writing is both humerous and gripping and kept me intrigued, thirsting for more information with every turn of the page.
an excellent book.......2003-04-23
I highly recommend this book. It is a clear and fascinating account. Highly readable and informative. If you ever wondered about this topic before, read this book!
Book Description
Astrobiology -- the study of the intimate relationship between life and the cosmos -- is a fast-growing field that touches on aspects of cosmology, astrophysics, and chemistry. In the first scholarly overview of this dynamic field, biochemists Kevin W. Plaxco and Michael Gross tell the story of life from the Big Bang to the present.
Emphasizing the biochemical nature of astrobiology, Plaxco and Gross examine the origin of the chemical elements, the events behind the developments that made the Universe habitable, and the ongoing sustenance of life. They discuss the formation of the first galaxies and stars, the diverse chemistry of the primordial planet, the origins of metabolism, the evolution of complex organisms, and the feedback regulation of Earth's climate. They also explore life in extreme habitats, potential extraterrestrial habitats, and the search for extraterrestrial life.
This broadly accessible introduction captures the excitement, controversy, and evolution of the dynamic young field of astrobiology. It shows clearly how scientists from different disciplines can combine their special knowledge to enhance our understanding of the Universe.
Customer Reviews:
Brilliant Book For The Armchair Scientist .......2006-09-27
Imagine that your best friend were some brilliant world-famous scientist. Now imagine that the two of you were sharing a beer one night, and you carelessly asked the question: "I wonder if there is life elsewhere in the Universe?"
This book would be his answer.
"Astrobiology," by Kevin Plaxco and Michael Gross, is the perfect book for the armchair scientist. It should sit on your bookshelf beside Hawking's "Brief History of Time." It would also be an excellent book for the curious undergraduate.
Plaxco and Gross fill the book with easy, accessible prose, and lots of great science. Best of all, the sidebars, with which the book is liberally sprinkled. They make you feel like you are busy bending an elbow with a scientist that has a wicked sense of humor. After all, how many science books can you think of that use the word `flummoxed'?
If the "Hitchhiker's Guide to the Galaxy" had a chapter on astrobiology, this would be it.
Astrobiology: An Attractive Introduction.......2006-08-07
Biology is not complete without the astro-physical environment that produces the sun, the earth and the building blocks of life.
We can never fully understand life and evolution if we don't include the universe.
At bottom it is ecology extended to the cosmic environment.
A huge eye-opener for me was Barrow & Tippler (1994) The Anthropic Cosmological Principle.
They showed that my biology training was hopelessly incomplete.
A second eye-opener was Tibor Gánti (2003) The Principles of Life.
For the first time in my life I had the feeling that I truly understood what the essence of life is and what the origin of life problem actually is, despite reading many books about the origin of life.
Now we have the science of astrobiology which combines both the universe as a cradle for life and insights into the nature of life.
I have been looking for some time for a suitable introduction into astrobiology until I found
Kevin Plaxco & Michael Gross (2006) Astrobiology: A Brief Introduction.
It is a very attractive book: a pleasure to read, enthusiastically and fluently written, full of relevant information, not loaded with boring details, the right price (indeed there are far more expensive introductions and textbooks).
Despite being an introduction, it is nourishing and thanks to being an introduction it is very digestible.
The book contains many stimulating thoughts and facts. Kevin Plaxco is a professor of chemistry. I think that chemistry
is the right science here: it is in the position to connect biology and astronomy (physics cannot bridge biology and astronomy because it differs too much from biology).
Michael Gross is a science writer. I suspect that a great part of the attractiveness of this book can be ascribed to him.
In the hands of Plaxco and Gross an otherwise boring table of yields of amino acids in the Miller-Urey experiment
becomes fascinating.
The book is richly illustrated with black and white illustrations and photographs (but fortunately no expensive glossy paper is used) and has many interesting sidebars.
[...].
Review of "Astrobiology: A Brief Introduction".......2006-07-18
I found this book to be a highly readable, thorough, accurate, well
balanced treatment of a topic that is increasingly capturing the
interest of scientists and anyone curious about their place in the
universe.
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