I love talking about astronomy. It is fascinating and wraps science, history, mythology, mathematics, and culture into one brilliant package. StarTalk is a podcast by Dr Neil deGrasse Tyson and some other hosts. The episode I came across today that tickled my fancy is about how the planets and moons in our solar system got their names, the exceptions to the rule, and the reasons why. The episode featured Mr Chuck Nice, a comedian who asked questions we non-professional astronomers would love to ask and made them funny and easy for the common person to understand. The International Astronomical Union (IAU) has been the body responsible for naming astronomical bodies since its inception in 1919. It followed a rule for naming the planets. Because we have known them since antiquity, it uses their Latin names, as in other fields like medicine and chemistry. The Romans knew of seven bright objects in the sky: the Sun, the Moon, and the five brightest planets. They named them after their...