Wandering planets, the smell of rain and more reader feedback
Free-range planetsAstronomers are puzzling over some space oddities: planets that don’t orbit stars. In “Wandering worlds” (SN: 4/4/15, p. 22), Ashley Yeager explored how these lonely rogues may alter the definition of a planet. Tim Geho wanted to know more about how scientists locate homeless worlds. “Where does the light come from that allows rogue […]