RT @ESA_Rosetta: Our search for @Philae2014’s landing site narrows to five choices. Full story & images: ow.ly/AGrP7 http://t.co/MOBGwDlJJB
RT @ESA_Rosetta: Our search for @Philae2014’s landing site narrows to five choices. Full story & images: ow.ly/AGrP7 http://t.co/MOBGwDlJJB