42 alien planets have been found.
YAHOO! News reports that a team of amateurs made the discovery, that includes a Jupiter-size world that could potentially be habitable, by sifting through data from a NASA spacecraft.
Forty volunteers with the crowd-sourcing Planet Hunters project discovered the new planet candidates, which include 15 potentially habitable worlds and PH2 b, a Jupiter-size planet that the team confirmed to be in the habitable zone of its parent star.
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