Earth is made of water and rock and Mars is rocky too.
while the gas planets are; Jupiter Saturn uranus and neptune hope that helps u!!
The four inner, rocky planets are also known as the terrestrial planets. These are; Mercury, Venus, Earth and Mars.
this is because the cores of those rocky planets are made out of rocks technically.Hope that helps
nobody really knows. some people think it was the big bang, others think god did it. but i think 2 or more meteors colliding form rocky and rough planets.
In our solar system, there are officially 4 rocky planets: Mercury Venus Earth Mars The small dwarf planet called Pluto is also rocky.
The Lewis and Clark Expedition Part 8/12
Jim Kathman on AP's Video Partnership with MSN