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
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
It could be called interstellar space or terrestrial.
The four inner [terrestrial] planets: Mercury, Venus, Earth and Mars.
A terrestrial planet is a planet that has a solid surface made of rock.
Terrestrial planets. They are also called Inner Planets.
They are called the terrestrial planets because they are similar to Earth (in fact one of them is Earth.
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.
Terrestrial planet is another way of saying rocky planet. The inner rocky planets are; Mercury, Venus, Earth and Mars.