NASA?s Kepler Spacecraft Discovers 2 Earth-Size Planets

[unable to retrieve full-text content]The discovery of Kepler 20e and Kepler 20f may be an encouraging sign that planet hunters would someday succeed in finding other Earth-like planets.

Source: http://feeds.nytimes.com/click.phdo?i=793943d354d2470d2c1468c9f712e0ce

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