The inner planets are called terrestrial because they are Earthlike: small and rocky planets as opposed to the outer planets which are giant gaseous planets,
The word terrestrial comes from the Latin word terra, meaning Erth.
inner=terrestrial outer=non terrestrial
terrestrial planets
the inner planets are sometimes called Terrestrial Planets
It could be called interstellar space or terrestrial.
The inner planets are known as terrestrial planets, because you can stand on them and they have a solid surface. The inner planets are: * Mercury * Venus * Earth; and * Mars
The four inner [terrestrial] planets: Mercury, Venus, Earth and Mars.
They are called the terrestrial planets because they are similar to Earth (in fact one of them is Earth.
The inner two terrestrial planets are Mercury and Venus.
There is only one that we know of at the moment "Earth". However the 4 inner planets of our solar system - Mercury, Venus, Earth and Mars are all a little "Earth like" and these to are sometimes called "terrestrial planets" but more correctly they should be classified as "rocky" planets.
The inner planets closest to the sun are called rocky or terrestrial: Mercury, Venus, Earth, and Mars for a total of four.
A terrestrial planet is a planet that has a solid surface made of rock.
The inner planets are Mercury, Venus, Earth, and Mars. Because of the most part, they have rocky terrain, they are also called Terrestrial Planets.