[PDF.24yp] The High Frontier: Human Colonies in Space: Apogee Books Space Series 12

The High Frontier: Human Colonies in Space: Apogee Books Space Series 12

[PDF.yu34] The High Frontier: Human Colonies in Space: Apogee Books Space Series 12

The High Frontier: Human  Gerard K. O'Neill epub
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 | #303609 in Books |  2000-12-01 | Original language:English | PDF # 1 |  10.00 x.47 x7.00l,.82 | File type: PDF | 184 pages

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||8 of 8 people found the following review helpful.| Good engineering, bad economics|By Doug Weathers|This was written in the 1970s, and all the numbers and budgets and economic models are based on the published performance of NASA's Space Shuttle - which turned out to be wildly optimistic. Rather than flying 60 times a year for a cost of US$ 20 million per flight, the Shuttle ended up with a maximum flight rate of nine per year|.com |Rocket man, I think it's going to be a long, long time. When Princeton physicist Gerard K. O'Neill published the first edition of High Frontier back in the mid 1970s (just four years after "Rocket Man," to be exact), he just assumed that some of us