Fill in the Blanks 277-testOnline version 277-test by Farhad Key 1 subterranean ocean Virtually corrosive However recent ideal Although crust spectral may Scientists preparing for NASA's proposed Jupiter Icy Moons Orbiter believe that Jupiter's moons Europa may be a mixture of acid and peroxide . Thus , it not be the place for life to exist as was thought possibly to be the case . all the information we have about Europa comes from the spacecraft Galileo , which completed its mission to study Jupiter and its moons close up before NASA dramatically crashed it into Jupiter in 2003 . the general perception of Europa is of a frozen of water ice harboring a salty ocean kilometers below , researchers studying the most measurements say light reflected from the moon's icy surface bears the fingerprints of hydrogen peroxide and strong acids . they accept that it could just be a thin surface dusting and might not come from the below .
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