Four starcraft owned by galactically-registered prostitutes hovered over Phoenix late last evening, each illuminated with the traditional mark of the trade: a red light. The markings on the side of two craft indicate they are from the galaxy "Sextans", NGC 3115, which is seen in our sky near the constellation "Hydra". (Although the name of the spindle galaxy "Sextans" sounds provocative, its name comes from "sextant", which is a nautical measuring instrument.) The galactic prostitute registry requires ......