Sander looked over at his fellow Hufflepuff who had dozed off and envied him. Too bad his nap time had to be cut short as Sander watched the Head girl wake him up.

However, for the rest of the class, it was question time. What is a planet? Sander spent a few minutes thinking of the answer and then listened as some of the students shared their answered. Once there was a pause, Sander raised his hand and gave his answer.

"Professor, a planet as defined in 2006 by the International Astronomical Union (IAU) is a celestial body which orbits the sun, is round in shape and doesn't have any other objects larger than itself and its own satellites within its own gravitational influence,"