Entering Space: Creating a Spacefaring Civilization

by Robert Zubrin (Author) "HUMANS ARE NOT native to the Earth..." (more) Key Phrases: haust velocity, dry mass fraction, percent lightspeed, United States, Main Belt, Oort Cloud (more...)
sent Jul 21, 2009 
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robert Added Jul 21, 2009  
The film "Moon" was partly inspired by this book.