Solar sail most plausible craft to send to Alpha Centauri, with theoretical ability to reach fraction of light speed. I explore this technology in my novel Brimstone 1.
From the New York Times bestselling author of Extraterrestrial comes a mind-expanding new book explaining why becoming an interstellar species is imperative for humanity's survival and detailing a game plan for how we can settle among the stars.
"I am seeking to learn from a higher intelligence in outer space what we could aspire to be."