Final answer:
Of the major planets in our solar system, only Mercury and Venus do not have moons. Jupiter has 79 known moons and Saturn has 82 known moons.
Step-by-step explanation:
Of the major planets in our solar system, only Mercury and Venus do not have moons. The other planets, including the gas giants like Jupiter and Saturn, have moons orbiting around them. Jupiter has 79 known moons and Saturn has 82 known moons. These moons vary in size and characteristics.