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The Case for Space: How the Revolution in Spaceflight Opens Up a
A noted space expert explains the current revolution in spaceflight, where it leads, and why we need it.A new space race has begun. But the rivals in this case are...
The New World on Mars: What We Can Create on the Red Planet
The world's leading expert on the human settlement of Mars explains what Martian societies will look like - very soon! Within a few years, humans will be able to voyage...