# Question #1be18

It means the moon is between around $120 \mathmr{and} {150}^{\circ}$ from the sun.
At ${90}^{\circ}$ from the sun, the moon is waxing and half lit, and at ${180}^{\circ}$ we see a full moon. The word gibbous is used to describe a moon that is more than half, but not fully lit. There is thus a waxing and a waning gibbous moon in each lunar month. A diagram should help make it clearer: