Moons are 'Natural Satellites'
Earth's Moon is named Luna, as earth is Terra
Venus and Mercury have no moons.
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.
The Sun has no moons. Moons orbit Planets > Planets orbit the Sun.
Mercury and Venus
Neither Mercury nor Venus are known to have any moons.
Moons are satellites of planets.
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.
planets have moons for day and night
The planets are satellites of the sun. The moons are satellites of the planets. The moons revolve around the planets captured by their gravity, while the planets revolve around the sun captured by its gravity and the sun.
Oh no, it is the outer planets which have the most moons. Terrestrial planets such as Earth have relatively few moons.
Mars has two moons, not planets, named Phobos and Deimos.