Has Earth been visited by probes?

  Yes probes are all around Earth.

Is Earth the largest planet?

  Earth is not the largest planet it is fifth largest. It is 7,926 miles around.

Special features of Earth

  Earth's special features are water, trees, oxygen, and life.

Does Earth have rings?

  Earth does not have any rings only gas giants have rings.

Is Earth an inner or outer planet?

  Earth is an inner planet because it's between the astroid belt and the sun.

The color of Earth

  The Earth has many different colors. The color of land is green and the color of the water is blue. 

Earth's atmosphere

Earth atmosphere is water, oxygen, nitrogen, and no earth is not a gas giant.

atmosphere digraph