MORE IO CLOSEUPS

Io closeup
Io closeup

Jupiter’s Moon Io: a Flashback to Earth’s Volcanic Past Excerpts From A NASA/JPL Press Release November 19, 1999 Jupiter’s fiery moon Io is providing scientists with a window on volcanic activity and colossal lava flows similar to those that raged on Earth eons ago, thanks to new pictures and data gathered by NASA’s Galileo spacecraft.…


JUPITER’S THUNDERBOLT

Cycloids on Europa
Cycloids on Europa

Why did the planetary gods dominate our imagination at the dawn of civilization? Yet nine out of ten people today could not identify bright Jupiter in the night sky. And another question that is never asked, what was really meant by Jupiter’s weapon, the thunderbolt? It seems it was no earthly lightning. It moved “like…