The Earth, because it is a rocky planet and it's the third planet away from the Sun.
I would assume because it is the third closest planet to the Sun?
The Earth is known as the third rock from the sun, since it is the third planet in orbit from the sun.
Because, counting out from the Sun, Earth is #3. Also, a lot of the planet is made of rock.
Well my planet is the third rock from the Sun, I have no idea about your planet.
Yes, Earth is the third planet from the Sun.
Earth is the third planet away from the Sun. Hence the name of the show, "Third Rock From the Sun".
The Earth is the 3rd planet from the sun. (third rock from the sun, you remember that?)
Earth is the third planet from the Sun. The planet that we live on is called Earth.
1st Mercury 2nd Venus 3rd Earth
Planet that is third from the sun
My planet (usually known as Earth) is the third rock from the sun.
The home planet in the TV show "3rd Rock from the Sun" is called Earth. The alien characters in the show, who are from another planet, adopt the identity of a human family living on Earth.