Robert Zubrin

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Mars Direct Space Exploration, the Red Planet, and the Human Future, Robert Zubrin

Mars Direct

by Robert Zubrin

Rent: $2.98

The human race is at a crossroads. In the coming years, we will make decisions regarding ...

Unabridged: 1 hr 27 min
Narrator: Erik Synnestvedt
Published: 02/12/2013