Even if planets and moons were found round Alpha Centauri, as envisaged by the writers of “Avatar”, they would not get glorious monikers like Polyphemus and Pandora. They would just be letters—and lower-case ones, to boot.

Our science writers argue that the galaxy’s most recently discovered planet, “Kepler-10b”, deserves a far better name. Like “Vulcan”, for example. (via theeconomist)