CONFESSIONS OF AN ALIEN HUNTER（ISBN=9781426203923） 英文原版 pdf pdb 阿里云 极速 mobi caj kindle 下载

Aliens are big in America. Whether they’ve arrived via rocket,

flying saucer, or plain old teleportation, they’ve been invading,

infiltrating, or inspiring us for decades, and they’ve fascinated

moviegoers and television watchers for more than fifty years. About

half of us believe that aliens really exist, and millions are

convinced they’ve visited Earth.

For twenty-five years, SETI has been looking for

the proof, and as the program’s senior astronomer, Seth Shostak

explains in this engrossing book, it’s entirely possible that

before long conclusive evidence will be found.

His informative, entertaining report offers an

insider’s view of what we might realistically expect to discover

light-years away among the stars. Neither humanoids nor monsters,

says Shostak; in fact, biological intelligence is probably just a

precursor to machine beings, enormously advanced artificial

sentients whose capabilities and accomplishments may have developed

over billions of years and far exceed our own.

As he explores what, if anything, they would

tell us and what their existence would portend for humankind and

the cosmos, he introduces a colorful cast of characters and

provides a vivid, state-of-the-art account of the past, present,

and future of our search for extraterrestrial intelligence.

FOREWORD

BY FRANK DRAKE

CHAPTER 0NE

"NEWS THAT WOULD CHANGE THE WORLD

CHAPTER TWO

INKLINGS OF ET

CHAPTER THREE

WHY WOULD ANYONE BELIEVE THEY'RE OUT THERE?

CHAPTER FOUR

COULD THEY BE HERE?

CHAPTER FIVE

TURNING EARS TO THE SKIES

CHAPTER SIX

EUREKA

CHAPTER SEVEN

BEYOND GRAY AND HAIRLESS

EPILOGUE

ACKNOWLEDGMENTS

ILLUSTRATION CREDITS

INDEX

Seth Shostak is a scientist, author, and frequent commentator on

TV and radio. He writes a monthly column on SPACE.com, and often

lectures on his work at SETI. He lives in Palo Alto,

California.

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书籍介绍

Aliens are big in America. Whether they’ve arrived via rocket, flying saucer, or plain old teleportation, they’ve been invading, infiltrating, or inspiring us for decades, and they’ve fascinated moviegoers and television watchers for more than fifty years. About half of us believe that aliens really exist, and millions are convinced they’ve visited Earth.

For twenty-five years, SETI has been looking for the proof, and as the program’s senior astronomer, Seth Shostak explains in this engrossing book, it’s entirely possible that before long conclusive evidence will be found.

His informative, entertaining report offers an insider’s view of what we might realistically expect to discover light-years away among the stars. Neither humanoids nor monsters, says Shostak; in fact, biological intelligence is probably just a precursor to machine beings, enormously advanced artificial sentients whose capabilities and accomplishments may have developed over billions of years and far exceed our own.

As he explores what, if anything, they would tell us and what their existence would portend for humankind and the cosmos, he introduces a colorful cast of characters and provides a vivid, state-of-the-art account of the past, present, and future of our search for extraterrestrial intelligence.