In our solar system, Mercury and Venus are the two planets which do not have moons.
Only Mars has two moons. The other planets have either one moon, no moons, or many moons.
Mercury and Venus are the two inner planets in our solar system that do not have any moons.
Two planets in our solar system have no moons: Mercury and Venus.
The only two planets in our solar system that do not have any moons are Mercury and Venus.
In our solar system, Mercury and Venus are the two planets which do not have moons.
'Mercury' and 'Venus' is. Those are the only planets in our solar system without moons.
Mercury and Venus
Mars has two moons, not planets, named Phobos and Deimos.
Mercury and Venus are the two planets that have no moons.
Only Mars has two moons. The other planets have either one moon, no moons, or many moons.
Mercury and Venus are the two planets that have neither rings nor moons. Earth and Mars each have moons, and the gas giants all have rings and moons.
Mercury and Venus are the two inner planets in our solar system that do not have any moons.
Mars has two moons.
Mars, Jupiter, Neptune and Uranus all have moons. Venus and Mercury do not have moons.
Two planets in our solar system have no moons: Mercury and Venus.
The answer is there are two planets which have no moons. Venus and Mercury