From a leading planetary scientist and an award-winning science writer, a propulsive account of the developments and initiatives that have transformed the dream of space colonization into something that may well be achievable.

We are at the cusp of a golden age in space science, as increasingly more entrepreneurs—Elon Musk, Richard Branson, Jeff Bezos—are seduced by the commercial potential of human access to space. But Beyond Earth does not offer another wide-eyed technology fantasy: instead, it is grounded not only in the human capacity for invention and the appeal of adventure but also in the bureaucratic, political, and scientific realities that present obstacles to space travel—realities that have hampered NASA’s efforts ever since the Challenger disaster.

In Beyond Earth, Charles Wohlforth and Amanda R.Hendrix offer groundbreaking research and argue persuasively that not Mars, but Titan—a moon of Saturn with a nitrogen atmosphere, a weather cycle, and an inexhaustible supply of cheap energy, where we will even be able to fly like birds in the minimal gravitational field—offers the most realistic and thrill�ing prospect of life without support from Earth.

(With 8 pages of color illustrations)

About the Author

CHARLES WOHLFORTH is the author of more than ten previous books. He writes a column for Alaska Dispatch News, hosts a weekly interview program for public radio stations in Alaska (where he lives), and has won the Los Angeles Times Book Prize for Sci�ence and Technology, among many other awards.

AMANDA R. HENDRIX, Ph.D., a planetary scientist, worked for twelve years at NASA’s Jet Propulsion Laboratory. She has been a scientific investigator on the Galileo and Lunar Reconnaissance missions, a principal investigator on NASA research and Hubble Space Telescope observing programs, and is the author of many scientific papers. As an investigator on the Cas�sini mission to Saturn, she has focused her research on the moons of Saturn.

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