NASA has lead the Kepler space mission through which they have located thousands of "earth-like" planets. This particular planet has been given the name Kepler-22b, which, among other newly discovered planets, sits in the "habitable zone" of the star it revolves around. The distinction of being "habitable" is based on the temperature of the planet, which is around 70 degrees Fahrenheit. A temperature such as 70 degrees is a possible indicator that liquid water is present on the planet, something essential to all life. While they are not sure of the composition of the planet itself, nor its atmosphere, this is a large step in locating other planets like ours.
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