Is There Life on Earth?: "...the light reflected by a planet is polarized, while the light from the host star is not. So polarimetric techniques help us to pick out the faint reflected light of an exoplanet from the dazzling starlight."
More:
ESO website: http://www.eso.org/public/news/eso1210/
Research paper: Nature paper
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More:
ESO website: http://www.eso.org/public/news/eso1210/
Research paper: Nature paper
>
