Dr. Robert Zubrin - Mars Direct: Humans to the Red Planet within a Decade
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The Case for Space with Robert Zubrin, Ph.D., Lecture at Florida Atlantic
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Dr. Harold "Sonny" White - Eagleworks Laboratories: Advanced Propulsion
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Saturns Moon Titan: A World with Rivers,Lakes, and Possibly Even Life
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Dr. Robert Zubrin - Opening Remarks - 21st Annual International Mars Society Convention
50:16
Departure to Mars - Conquest of a Planet | SPACETIME - SCIENCE SHOW
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Making Humans a Multiplanetary Species
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I Was SCARED To Say This To NASA... (But I said it anyway) - Smarter Every Day 293
56:02