With known exoplanets now numbering in the thousands and initiatives like 100 Year Starship and Breakthrough Starshot advancing the idea of interstellar travel, the age-old dream of venturing forth into the cosmos and perhaps even colonizing distant worlds may one day become a reality. Physicist, author, and NASA technologist Les Johnson reveals the physics and technologies that may enable us to reach the stars.
He discusses the latest exoplanet discoveries, promising interstellar precursor missions on the not-so-distant horizon, and exciting new developments in space propulsion, power, robotics, communications, and more.
Johnson leads a journey through the harsh and forbidding expanse of space that awaits us as he addresses the daunting challenges—both human and technological—that we will need to overcome to realize tomorrow’s possibilities. Nature, he says, is telling us that traveling to the stars will be difficult, but not impossible, and certainly not for the faint of heart.
Johnson’s book A Traveler's Guide to the Stars (Princeton University Press) is available for purchase.
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