Gliese 581g: First Earth-sized planet discovered around a star's habitable zone

Earlier this week, astronomers from University of California in Santa Cruz announced the discovery of an Earth-sized world in a very promising spot around the red-dwarf star known as Gliese 581. It seems to be orbiting in that star's habitable zone.

Published on 2nd Oct, 2010

Earlier this week, astronomers from University of California in Santa Cruz announced the discovery of an Earth-sized world in a very promising spot around the red-dwarf star known as Gliese 581. It seems to be orbiting in that star's habitable zone.

Watch this vid for the complete announcement:
http://www.youtube.com/watch?v=ZwNMg5JB_ic

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