This document provides a mnemonic device to help remember the order of the planets from the Sun: My Very Eager Mother Just Served Us Nine Pizzas, with each first letter corresponding to a planet (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto). It explains that using a mnemonic device and a T-chart can help remember facts about the planets. The planets are listed in order from the Sun as Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, with the Sun at the center and the planets circulating around it in line.