miercuri, 22 decembrie 2010

Astronomers Predict a 'Habitable Earth' Twin Found in 2011

- Are Earth-like planets rare or common in the Universe? In September 2010, a truly exceptional find elated the planet's artonomy community: the first alien planet that could host life on its surface, Gliese 581 g, was discovered by a team led by Steven Vogt of the University of California, Santa Cruz. Full story:

* Strange Signal Comes From Alien Planet, Scientist Says:
* Mysterious object or planet moves over the sun on SOHO imagery... Gigantic hidden planet could be hurling comets at the rest of the solar system... NASA: Sun's Nemesis Pelted Earth with Comets: