[PDF.39su] 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.th69] 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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 | #255636 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