Mercury and Venus. They are the only planets without a moon.
Two, Mercury and Venus are the only two planets that do not have any moons.
No, there are no natural or artificial satellites known to orbit Mercury. Mercury is the smallest planet in our solar system, and its proximity to the Sun makes it less likely to have captured a moon compared to other planets.
Most of the eight planets in our solar system have at least one natural satellite or moon, some up to 60 or more. Mercury and Venus are the two exceptions, they have no known natural satellites.
Earth has just one moon. All the other planets except Mercury and Venus have moons.
There are only two planets within our solar system that have no natural satellites (i.e. moons). They are Venus and Mercury; all other planets have at least one moon.
Mercury and Venus. All other planets have at least one moon (or natural satellite).
The only planets in our solar system that do not have natural satellites are Mercury and Venus.
Neither Mercury nor Venus have natural satellites. Earth has one natural satellite and several thousand artificial ones. All of the other planets have at least two (Mars) or more.
Mercury and Venus. They are the only planets without a moon.
Two, Mercury and Venus are the only two planets that do not have any moons.
Of the eight planets in our solar system, only Mercury and Venus have no known satellites. Furthermore, Pluto has at least four of them.
Mercury and Venus have no known satellites, all other planets have at least one.
No, there are no natural or artificial satellites known to orbit Mercury. Mercury is the smallest planet in our solar system, and its proximity to the Sun makes it less likely to have captured a moon compared to other planets.
Most of the eight planets in our solar system have at least one natural satellite or moon, some up to 60 or more. Mercury and Venus are the two exceptions, they have no known natural satellites.
Not all of them. Six of the eight planets in our solar system have at least one moon.
Earth has just one moon. All the other planets except Mercury and Venus have moons.