You have to look online about the crust and the inner core. Also the gas. http://apod.NASA.gov/apod/ap000323.html hope this helps. :)
inner planet
Mars is an inner planet, as is Mercury, Venus, and Earth.
Mars is an inner planet.
The inner planets are Mercury, Venus, Earth and Mars
The first 4 planets ... out to and including Mars ... are usually considered the "Inner planets".
no mars is an inner planet
inner
Mars is a solid (rocky) planet. All the inner planets are solid and Mars is an inner planet.
Mercury has the coldest temperatures of all the inner planets. On average, Mars is the coldest inner planet.
Mars is an "inner" planet, if that's what you mean. It is "inner", because it is in the inner Solar System, fairly close to the Sun.
In our solar system the inner planets are Mercury, Venus, Earth, and Mars.
Mars is considered an INNER planet. It is the 4th of the 8 major planets in distance from the Sun, and is closer to the Sun than the Main Belt of asteroids. All 4 inner planets are terrestrial (smaller, rocky planets) while the outer planets are gas giants.*The inner planets are Mercury, Venus, Earth, and Mars*The outer planets are Jupiter, Saturn, Uranus, and Neptune.Planets past Neptune include all but one of the Dwarf planets, including Pluto, and a large number of smaller icy bodies in the Kuiper Belt.