Home > Astronomy, Jupiter, Solar System > Where Are The Best Windows Into Europa’s Interior?

Where Are The Best Windows Into Europa’s Interior?


The surface of Jupiter’s moon Europa exposes material churned up from inside the moon and also material resulting from matter and energy coming from above. If you want to learn about the deep saltwater ocean beneath this unusual world’s icy shell — as many people do who are interested in possible extraterrestrial life — you might target your investigation of the surface somewhere that has more of the up-from-below stuff and less of the down-from-above stuff.

New analysis of observations made more than a decade ago by NASA’s Galileo mission to Jupiter helps identify those places.

“We have found the regions where charged electrons and ions striking the surface would have done the most, and the least, chemical processing of materials emplaced at the surface from the interior ocean,” said J. Brad Dalton of NASA’s Jet Propulsion Laboratory, Pasadena, Calif., lead author of the report published recently in the journal Planetary and Space Science. “That tells us where to look for materials representing the most pristine ocean composition, which would be the best places to target with a lander or study with an orbiter.”

Full Story: http://www.jpl.nasa.gov/news/news.php?release=2013-134

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