2015年5月12日 星期二

NASA Research Reveals Europa's Mystery Dark Material Could Be Sea Salt

NASA experiments suggest the dark material coating some geological features of Jupiter's moon Europa is likely sea salt from a subsurface ocean, discolored by exposure to radiation. Sea salt on Europa's surface suggests the ocean is interacting with its seafloor - an important consideration in determining whether the icy moon could support life.

May 12, 2015
from NASA http://ift.tt/1PEXruk
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