One.
No. Earth has one moon, Mars has two.
There are no moons in Earth. But around Earth, yes. There is one.
Earth (with one moon) and Mars (with two moons). Mercury and Venus do not have any moons.
Earth has one moon. Mars has two moons and Pluto, the dwarf planet has one moon. Mercury and Venus don't have any moons, and Jupiter has 63 known moons. Uranus has 27 moons, Neptune, 13, and Saturn has 60 moons.
Depends on the planet itself. In our Solar System, Mercury has no moons whatsoever, and Jupiter has 63 moons, while our Earth has one good ol' moon.
Some planets have no moons at all, such as Mercury and Venus; some, like Earth, has only one. Mars has two tiny moons, and Jupiter has four large moons and 60 or so small ones.
There is only one inner planet with two moons, and that is planet Mars. They are named Phobos and Deimos.
If you see two moons, either you are no longer on planet Earth (which has only one moon) or you are suffering from double vision.
No, not all terrestrial planets have many moons. For example, Mercury and Venus do not have any moons, while Earth has one moon (named Luna or the Moon), and Mars has two small moons (Phobos and Deimos).
No, not all planets have the same number of moons. For example, Mercury and Venus have no moons, Earth has one moon, Mars has two moons, while Jupiter has over 70 moons. The number of moons can vary from planet to planet.
Mercury and Venus have no moons. Earth has one. Mars has two.
Yes. Mars has two: Phobos and Deimos; Earth has only one.