29. An 11-year-old is responsible for naming Pluto. In 1930, the Royal Astronomical Society (RAS) was struggling to come up with a name for a newly-discovered planet. They considered Minerva, Zeus, Atlas, and Persephone—but it was 11-year-old Venetia Burney Phair who suggested Pluto, inspired by the god of the underworld. When the idea eventually reached RAS with the help of the girl's connected family—her librarian grandfather knew many astronomers—they loved it and ultimately decided to use the suggestion.