There are no known satellites of Mercury.
No natural satellites of Mercury have been discovered.
The planet Mercury has no natural satellites.
Mercury & Venus have no natural satellites.
its larger then the planet Mercury
Mercury has no natural satellites. The only man-made satellite, which crash-landed onto the planet was Messenger.
mercury
Mercury and Venus only.
Both Mercury and Venus have no known natural satellites (moons).
Mercury is the closest planet to the sun and because of this, it can only be seen at twilight. The planet was discovered in 14th century BC and it has no known satellites.
Mercury and Venus have no known natural satellites (or moons).
Venus is the biggest planet in our solar system that has no known satellites (moons).