Hellish ‘twin’ of Earth makes finding truly Earth-like planets more likely

Nature news has a better writeup: http://www.nature.com/news/exoplanet-is-built-like-earth-but...

Direct link to the pair of papers:

[1] http://www.nature.com/nature/journal/vaop/ncurrent/full/natu...

[2] http://www.nature.com/nature/journal/vaop/ncurrent/full/natu...

Thanks for the info!