HAWAIIAN-STYLE VOLCANO ON IO?

Lightning strike on a golf course
Lightning strike on a golf course

Excerpts from a NASA/JPL Press Release November 5, 1999 New images from Galileo reveal unexpected details of the Prometheus volcano on Io including a caldera and lava flowing through fields of sulfur dioxide snow. It appears that the Prometheus volcano on Io has characteristics remarkably similar to those of the Kilauea volcano in Hawaii, although…


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…