Gliese 581g is a planet that orbits the star Gliese 581 about 20 light years away. It is located in an area and is of a size that puts it in the "habitable zone" and therefore possibly allowing life as we know it to exist.
Discovery news link:
http://news.discovery.com/space/earth-like-planet-life.html
If you are super keen here is the link to the press article:
http://www.ucolick.org/~vogt/ms_press-1.pdf
"GJ 581g, a minimum-mass 3.1M⊕ planet orbiting at
0.146 AU with a period of 36.6 days. The estimated equilibrium temperature of
GJ 581g is 228 K, placing it squarely in the middle of the habitable zone of the
star and offering a very compelling case for a potentially habitable planet around
a very nearby star."
and a rather awkward video:
http://www.nsf.gov/news/news_videos.jsp?cntn_id=117765&media_id=68454&org=NSF
and now a not so awkward and shorter video:
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