Wednesday, December 21, 2011

This Week's Astronomy

Nasa discovers two Earth-size planets outside our Solar System
Astronomers have spotted the two smallest, most Earth-like planets to be discovered outside our solar system. They are orbiting a star called Kepler-20 almost 1,000 light years away in the constellation Lyra. Reaching the two newly-discovered planets would take the fastest spacecraft more than 4m years. For more info, click here.

Source: The Guardian newspaper

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