Two, Mercury and Venus both have no confirmed moons.
People really dont no,but my opion is there is only a single moon
There is Trident a moon of Neptune and Callisto, and moon of Jupiter.Hope this answers your question...
None. The Earth's moon is not a planet and there are no planets "ON" any moon. Many planets in the solar system have several moons.
The Moon is a moon and the planets are planets, so it's impossible for a moon to be a planet. See related questions.
Planets do not go around the moon.
No two planets share the same moon.
No planets are in orbit around the moon
There are six planets out of eight that has moon(s). The planets with moon(s) are: Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
Have an axis and they both are rocky planets
neither venes or Mercury has a moon.
the planets do not orbit the moon but the moon orbits the planets because of gravity and inertia