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Free PDF Pale Blue Dot: A Vision of the Human Future in Space, by Carl Sagan
Free PDF Pale Blue Dot: A Vision of the Human Future in Space, by Carl Sagan
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Pale Blue Dot: A Vision of the Human Future in Space, by Carl Sagan
Free PDF Pale Blue Dot: A Vision of the Human Future in Space, by Carl Sagan
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From Publishers Weekly
In a tour of our solar system, galaxy and beyond, Cornell astronomer Sagan meshes a history of astronomical discovery, a cogent brief for space exploration and an overview of life-from its origins in the oceans to humanity's first emergence to a projected future where humans "terraform" and settle other planets and asteroids, Earth having long been swallowed by the sun. Maintaining that such relocation is inevitable, the author further argues that planetary science is of practical utility, fostering an interdisciplinary approach to looming environmental catastrophes such as "nuclear winter" (lethal cooling of Earth after a nuclear war, a widely accepted prediction first calculated by Sagan in 1982). His exploration of our place in the universe is illustrated with photographs, relief maps and paintings, including high-resolution images made by Voyager 1 and 2, as well as photos taken by the Galileo spacecraft, the Hubble Space Telescope and satellites orbiting Earth, which show our planet as a pale blue dot. A worthy sequel to Sagan's Cosmos. Author tour. Copyright 1994 Reed Business Information, Inc.
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From Booklist
Sagan's great appeal as a popular-science writer, beyond his prodigious knowledge, is his optimism and sense of wonder. A visualizer and a visionary, he fires our imagination and turns science into high drama. After writing about our origins in Shadows of Forgotten Ancestors (1992), Sagan turns his attention to outer space and takes up where Cosmos left off 14 years ago. An astonishing amount of information was amassed during that productive era, and Sagan, of course, is up on all of it. A passionate and eloquent advocate of space exploration, he believes that the urge to wander, and the need for a frontier, is intrinsic to our nature, and that this trait is linked to our survival as a species. Throughout this beautifully illustrated, revelatory, and compelling volume, Sagan returns again and again to our need for journeys and quests as well as our unending curiosity about our place in the universe. Such philosophical musings are interwoven with precise and enthusiastic accounts of the triumphs of interplanetary exploration, from the Apollo moon landings to the spectacular findings of robotic missions, especially the Voyager spacecraft. Sagan describes one exciting discovery after another regarding the four giants--Jupiter, Saturn, Uranus, and Neptune--and their many moons, mysterious and exquisite rings, and volatile atmospheres. He argues, convincingly, that planetary exploration is of immense value. It not only teaches us about our celestial neighbors, but helps us understand and protect Earth. Yes, we have seemingly insurmountable problems on this pale blue dot, but we have always reached for the stars, and we mustn't stop now. Donna Seaman
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Product details
Hardcover: 429 pages
Publisher: Random House; 1 edition (November 8, 1994)
Language: English
ISBN-10: 0679438416
ISBN-13: 978-0679438410
Product Dimensions:
7.8 x 1.2 x 9.5 inches
Shipping Weight: 2.7 pounds (View shipping rates and policies)
Average Customer Review:
4.6 out of 5 stars
308 customer reviews
Amazon Best Sellers Rank:
#65,584 in Books (See Top 100 in Books)
Pale Blue Dot is a non-fiction and is Sagan’s analysis of the role space will play in humanity’s future. It was written in 1994, and therefore one of his last publications, as Sagan tragically died in 1996. The title of the book, Pale Blue Dot, was taken from the instantly infamous Pale Blue Dot photograph taken by Voyager 1 in 1990. In his book, Sagan created a short analysis of the importance of the human exploration of space. His reasons range from spin-off technology to the intrinsic value of exploration and discovery. But what struck me the most about Sagan’s book was that although he talked extensively about these as, in general, good reasons to explore space, they weren’t the best reason. Or rather, they weren’t enough. Sagan goes on to argue that the single greatest reason to explore space is the survival of the species. Something as an individual I haven't ever really thought of. It is possible that we could destroy ourselves through nuclear war, yes, but that’s not the survival Sagan is talking about. He’s speaking about asteroids. There is a chance that at some point in the future a rock big enough to destroy human life will collide with Earth. Exploring space and developing new technologies is the only way to search out and redirect incoming asteroids. If incoming asteroids cannot be redirected it is important to the species that we have settled elsewhere. Really great book, highly recommend it.
I was hoping for the entire audiobook to be narrated by Sagan but only the first few chapters are narrated by him. His wife narrates the rest. It's puzzling considering he had read his entire book in 1994 and it was made available at some point (almost the entire book can be found on youtube broken up by chapter unlike the CD set I purchased). It would've made more sense to have Ann Druyan read an introduction or include additional CDs of her readings while leaving his originals intact. My quest to find Chapter 22 narrated by Sagan continues...
Made me feel insignificant and have an existential crisis.Love it though
Apparently I buy books while drunk, and then receive them and wonder when I thought I had time to read. Plus, I have a Kindle. But, how can you go wrong with Sagan? Love HIM Lots!
My favourite all time read, lost my old one so I had to buy another one. Great quality, absolutely love. <3 If anyone has never read this book or is debating on doing so, you will not be disappointed in our Carl Sagan! I'm ecstatic to be able to reread this!
The learning and science encompassed by this book are truly awesome -- but the humanity is greater. Writing some years ago he speaks to the moment... reminding those inflated with their sense of power that the earth they seek to control is but a small blue dot, disappearing in a sea of blackness. Precious and fragile.
My favorite book. Combines planetary science with a beautiful goal for humanity in the near future. Scattered with elegant and poetic passages.
Honestly, everyone should read this book. I have owned mine for a long time and keep going back to it. It's now 2018 and it's more relevant than ever. A brilliant mind and teacher, Sagan's writing is eloquent, thought provoking and poetic. I soooo wish he was still here to assist us with our understanding of the future.
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