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مشاهدة النسخة كاملة : Scientists puzzle over Pluto?s polygons


ahlam1399
07-18-2015, 12:58 AM
Scientists puzzle over Pluto?s polygons
NEW YORK (Reuters) - New pictures relayed by the first spacecraft to visit distant Pluto show odd polygon-shaped features and smooth hills in an crater-free plain, indications that the icy world is geologically active, New Horizons scientists said on Friday.


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