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astronomy +   blood +   debate +   definition +   diabetes +   diabetics +   discovery +   gallery +   images +   interesting +   livescience +   livescience.com +   livesciencecom +   nasa +   neptune +   news +   photo +   photos +   pictures +   pinpricks +   planet +   planets +   research +   rocks +   science +   solar +   solar-system +   SolarSystem +   space +   species +   study +   sugar +   system +   Teardrop +   TNO +   tropics +   universe +