they are both planets. revolve around the sun
The Earth is the 3rd planet from the Sun while Mars is the 4th. There is no known planet in between the Earth and Mars.
Earth is between Venus and Mars. Well, not really; but the orbit of Earth is between the orbits of Venus and Mars. Venus, Mars and Earth never actually "line up".
if your asking what planet is between mars and the earth, the answer is none.
the orbit of mars is outside that of the earth's orbit so it can't go between earth and the sun
mars is in the midle of the astoroid belt and earth
Venus - Earth - Mars .
The planet whose orbit is between those of Venus and Mars is Earth.
The two planets that lie between Venus and Jupiter are Earth and Mars.
Mars, the asteroid belt is in between Mars and Jupiter.
The next one in is Earth, the next one out is Jupiter, although there is a dwarf planet in the asteroid belt between Mars and Jupiter called Ceres.
Earth.
mars