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Europa, The Past and Future Target Name:   Europa Produced by:   Calvin J. Hamilton Copyright:  © 1998 Calvin J. Hamilton Date Released:  26 December 1998 (Publisher Permission Request) Related Document Jupiter's Moon Europa Download Options Name Type Width x Height Size eurpast.jpg JPEG 640 x 504 84K eurpast.jpg JPEG 1944 x 1530 454K eurpast.tif TIFF 1944 x 1530 2M This artistic picture represents Europa during the dawn of the Solar System's creation. At this point, in time oceans graced the surface of Europa. Since liquid water existed in the past, could life have formed and even exist today? The primary ingredients for life are water, heat, and organic compounds obtained from comets and meteorites. Europa has had all three. From the images and data collected by the Galileo spacecraft, scientists believe that a subsurface ocean existed in relative recent history and may still be present beneath the icy surface. Europa's water should have frozen long ago, but warming could be occurring due to the tidal tug of war with Jupiter and neighboring moons. This artistic picture can also represent Europa 7 billion years hence, after the Sun has become a red giant. The heat from the aging sun should be sufficient to melt the ice and once again produce an ocean. This picture is © copyright 1998 by Calvin J. Hamilton. Any use of this image needs to be addressed to Calvin J. Hamilton.

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