Krafft Ehricke's Extraterrestrial Imperative pdf epub mobi txt 電子書下載 2024

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Ehricke, Krafft/ Freeman, Marsha

2009-3

304

$ 31.58

9781894959919

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发表于2024-11-25

Krafft Ehricke's Extraterrestrial Imperative epub 下載 mobi 下載 pdf 下載 txt 電子書下載 2024

Krafft Ehricke's Extraterrestrial Imperative pdf epub mobi txt 電子書下載 2024

圖書描述

From this book, the reader will gain an insight into one of the most creative minds in the history of space exploration. Krafft Ehricke's contribution to space exploration encompasses details of new, innovative ideas, but also how to think about the importance and value of space exploration for society. The reader will gain an understanding of the early history of the space pioneers, what they have helped accomplish, and how Ehricke's vision of where we should be going can shape the future. At this time, when there are questions about the path of the space program for the next decades, Krafft Ehricke has laid out the philosophical framework for why space exploration must be pursued, through his concept of the "Extraterrestrial Imperative," and the fight that he waged, over many years, for a long-range vision for the program. Readers will find it a very imaginative work, and a very up-lifting story. Krafft Ehricke's Extraterrestrial Imperative is the summation of his work on encouraging the exploration and development of space. The book contains all of his reasons why we need to get off the planet and explore space.

Krafft Ehricke's Extraterrestrial Imperative 下載 mobi epub pdf txt 電子書