MOA-2007-BLG-192Lb is 3.3 times our Earth and orbist what seems to be a brown dwarf at a distance of 0.6 AU (like Venus from our Sun). The star seems too weak to directly allow life (at least as we know it) so far away but scientists suspect the planet may have a thick enough atmosphere to warm the planet via greenhouse effect.
Source: BBC: Tiniest extra-solar planet found.
artist's impression of the new planet and its dim sun
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