Mars Direct Quotes

“Mars poses a critical test for the human race. How well we handle it will determine whether we remain a single planet–constrained species or become spacefarers with the whole universe open before us.”
― Robert Zubrin, Mars Direct: Space Exploration, the Red Planet, and the Human Future: A Special from Tarcher/ Penguin

“The evidence from our orbital images shows that there was liquid water on the surface of Mars for about a billion years of the planet’s early history, a span roughly ten times as long as it took for life to appear in the Earth’s fossil record after there was liquid water here.”
― Robert Zubrin, Mars Direct: Space Exploration, the Red Planet, and the Human Future: A Special from Tarcher/ Penguin

“There is as much water per square mile on Mars as there is on the continents of our home world.”
― Robert Zubrin, Mars Direct: Space Exploration, the Red Planet, and the Human Future: A Special from Tarcher/ Penguin