Jeanna Bryner reports,
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 today (Sept. 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.
"Personally,given the ubiquity and propensity of life to flourish wherever it can, I would say, my own personal feeling is that the chances of life on this planet are 100 percent," said Steven Vogt, a professor of astronomy and astrophysics at the University of California, Santa Cruz, during a press briefing today."I have almost no doubt about it."
Read more here: https://www.space.com/9225-odds-life-newfound-earth-size-planet-100-percent-astronomer.html
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