Smoldering Embers
nJupiter exploration in 1979
nMoon “Io” volcano eruption observed
nShould have
been dormant after 4.5B years
nSent more than
100 miles into space
nEarth is only “known” geologically active body in solar system
nShort-lived radiation found on the moon
nU236 and Th230
isotopes
nIndicate life
of few thousand years of moon
nTurbulence and instability in rings of Saturn