Because they are in the asteroid belt. The planets that are outside of the asteroid belt are called the outer planets.
the rocky planets
there called gaseous planets because they are the planets made of gas
Mercury, Venus, Earth, and Mars are the 4 inner planets.
Mercury, Venus, Terra (Earth), and Mars. Yes, there are 4 inner planets. These are called the "Terran" planets.
most of inner planets
Venus is a planet in the Solar system group of planets. Within the Solar system, Venus is grouped with the Inner planets, also called the rocky or terrestrial planets.
zathog persei, zoobab, gringel, and tom. but then, I'm from the horsehead nebula. why what are the inner planets of YOUR solar system called? mercury, venus, earth, mars
The inner planets of the solar system is: Mercury, Venus, Earth, and Mars.
Mercury, Venus, Earth and Mars are the inner planets
inner planets and gas giants
Huh? No.
There are four inner planets, that is Mercury, Venus, Earth, and Mars.