Question: what is the difference between a waxing gibbous moon and a waning gibbous moon?
Answer: Waning is the opposite, or decreasing after a full moon, and is always illuminated on the left. Then, there is a waxing or waning Gibbous moon, which means more than half of the moon is illuminated. ... Waxing means to increase/get bigger, and waning means to decrease/get smaller.