Photographs released yesterday of Europa's surface taken by the spacecraft Galileo show that the smooth moon's icy surface is sometimes like a giant scrambled jigsaw puzzle. Pieces of Europa's surface , identifiable above, have rafted to new locations. Also visible are larger areas that are clearly shifted from their original alignment. One leading explanation is water - oceans of water just beneath Europa 's ice plains. This discovery again fuels speculation that life might exist far from the comfort of Earth.
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