NASA's reworked image of Europa based on late 1990s data from the Galileo spacecraft.
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Science instruments selected for NASA’s Europa mission

27 May 2015 Astronomy Now

NASA has selected nine science instruments for a future mission to Jupiter’s moon Europa in which a spacecraft would make multiple close flybys of the icy world — thought to contain a global subsurface ocean — to investigate whether the mysterious moon could harbour conditions suitable for life.