Earth is considered a very special planet, in that it is the only known planet which harbours life.
Earth is unique in having liquid water at its surface.
Currently, only planet earth in our solar system is known to harbor life. And life on earth is incredibly diverse..
Earth is the only planet that has been discovered and has life and a sustained/sustainable atmosphere to date.
The Earth is considered to be a big planet. In contrast, the Earth Venus is smaller then the Earth and Neptune is considered larger.
It is the only planet that supports life. (As far as we know)
Earth is unique in having liquid water at its surface.
Earth is the only planet currently known to have life.
Currently, only planet earth in our solar system is known to harbor life. And life on earth is incredibly diverse..
Currently the earth is the most unique plantet known to man. This is because of me and you on this planet. Life causes it to be a unique planet.
The planet Earth is the only planet which we know to contain life. There may be others, but we have not found them yet. So for now, Earth is unique.
The Earth is unique because it is the only planet known to support life.
earth is supposedly the only planet that can sustain life and has oxygen
Earth is the only planet known by us to support life.
Earth
it has life on it
It is the planet we live on
So far, Earth is the only planet we know of that has intelligent life.