Earth-size planets 'number 17bn'

Not so unique after all :P Just a random rock in the planetary system of a random star.

 

 

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Earth-size planets 'number 17bn'

via BBC News - Home on 1/7/13

An analysis of planet candidates suggests at least one in six stars in the night sky hosts an Earth-sized planet - 17 billion in total.

 

 

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