No, they are too far apart, and all have a stable orbit.
No two planets share the same moon.
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.
Yes, Pluto was a moon to one of the planets called Neptune.
yes
You don't pass any. There' nothing in space between Earth and moon except maybe a few meteoroids. The planet that is able to come closest to Earth is Venus. When Venus is as close to Earth as it can ever get, it's more than 100 times farther away than the moon ever is.
Astronauts have visited the Moon, which is not a planet but a natural satellite of Earth. Other than the Moon, astronauts have not visited any other planets in our solar system. Only unmanned spacecraft have been sent to explore other planets.
Earth is the only one.12 people have walked on the moon. The closest that any other planetcan ever come to the Earth is 108 times farther away than the moon is.
Yes. The moon is close to the planet it orbits: Earth.
Mercury and Venus. They are the only planets without a moon.
Asteroids can fall on any planet (or moon).
The planets that don't have any moons are Mercry & Venus.
No. It is impossible for that to occur.