they both have craters
They at one point were the same planet, after a Rogue Planet roughly the size of mars hit earth when the solar system was still forming Billions of years ago, Earth spat Luna out, it became Tidally locked with us and presently is where it is.
Mercury does not have a moon.
They are Both created by the moons gravitational pull on the earth
They are in the inner belt
There are no moons in Earth. But around Earth, yes. There is one.
They are alike because their climate are both cold.
No, there are not moons or stars ON planet earth, but there are moons and stars around planet earth. == ==
Earth has one moon, Mars has 2 moons, Jupiter has 63 known moons to date, Saturn has 34 moons, Uranus has 27 moons, Neptune has 7 moons, Pluto has 3 moons.
Uranus has 27 moons and Earth has 1 moon.
4 moons could ft inside the Earth.
No. Mercury has no moons.
The Moons of the Earth are really just "The Moon" plus various artifacts and satellites that some might call "artificial moons".
Moons are 'Natural Satellites' Earth's Moon is named Luna, as earth is Terra