lives on other earth-size planet
an earth-size planet has been spotted orbiting a nearby star at a distance that would makes it not too hot and not too cold - comfortable enough for life to exist, researchers announced september 29.
if confirmed, the exoplanet, named gliese 581g, would be the first earth-like world found residing in a star's habitable zone - a region where a planet's temperature could sustain liquid water on its surface. and the planet's discoverers are optimistic about the prospects for finding life there.
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