But What Are They Eating on Deeyae? My science-fiction novel, The Seas of Distant Stars , tells the story of a human girl—Agapanthus—who’s abducted by aliens and grows up on Deeyae, a red-rocked, watery planet in another solar system. It may not have the same name in real life, but Deeyae is a real planet. It bears the stoic title of Gliese-667Cc, and it’s known to scientists as an Earth-like exoplanet. That means it’s close to its home star, and could potentially harbor liquid water—and complex life—on its surface. Gliese-667Cc revolves around a red dwarf star (named Imn in my book), which tinges everything on the planet with a pink-red glow. Red dwarf stars aren’t as warm or as bright as yellow giants like Earth’s sun, so I imagined that life wouldn’t be based around a sun-fed food chain. Here on Earth, everything starts with plants, but, on Deeyae, the food chain revolves around hydrothermal vents, and the so-called “extremophile” bacteria who thrive in such environments. From there...