NASA Research Reveals Europa's Mystery Dark Material Could Be Sea Salt via NASA http://t.co/HTbYQ35blH: NASA R... http://t.co/AwaIO3j9zN

NASA Research Reveals Europa's Mystery Dark Material Could Be Sea Salt via NASA http://t.co/HTbYQ35blH: NASA R... http://t.co/AwaIO3j9zN

— John Prieto (@prietoj) May 12, 2015

from Twitter https://twitter.com/prietoj

May 12, 2015 at 12:53PM
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