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.
Mars is between Earth and Jupiter. The planet that approaches closest to it is Earth.
Also Mars is next to the "Main Asteroid Belt", which is between Mars and Jupiter.
mars
The planet Mars.
Saturn is the next one.
Venus, then Earth, then Mars.
Mars is the red planet, because it looks red on close approaches. The next close approach will be in the spring of 2014, you can have a look at it then.
Mars follows Earth as the next planet out from the sun.
Venus is the next planet toward the Sun. Mars is the next planet away from the Sun.
mars
Jupiter
Venus and mars are next to earth
its the 4th planet from the sun but it is the very next planet next to us.
Mars
jonny
mars
Mars
the next planet is Uranus or Saturn.
The planet Mars.