planet earth is known for being the only planet to support life
Venus is known as Earth's sister planet.
earth..The most habitable planet in the Solar System is Earth. As of June 2014, Earth is the only planet that has sustained known living things.
Uranus is green-blue in colour Earth looks blue from space, although at lower altitudes some of the planet appears green
Yes, there is "The planet is called Goldilocks" this planet has water and the write kind of air for humans to live in but there are no hmans living on it so People can go to it in a spaceship with out an spacesuit.
Planet earth is not in any of the approximately 150 globular clusters which are known to exist in our galaxy, the Milky Way. Our solar system is on one of the spiral arms of the Milky Way.
The 'Blue Planet' is one of the nicknames of planet Neptune.
Earth
Earth is the only planet currently known to have life.
Earth is the only planet known to have life and liquid water.
Earth
Venus is known as Earth's sister planet.
Earth is known as the living planet because the conditions required to support life are found only on earth.
Earth is the only planet which is known to harbour life.
Earth is the only planet known to support life.
Because Earth is the only planet known to have life.
Earth is the only planet with known life... so far.
the earth is known as the blue planet, also know as 'The World'