One Face of Janus

Cassini images one of the shepherd moons of Saturn from 100,000 miles away. These little moons are fascinating. They are probably fairly porous: lots of empty space, some more ice, and a little bit less rock. This body figures prominently in Alastair Reynolds’ 2005 sf novel, Pushing Ice. The real Janus is less menacing, but probably very interesting.

About catholicsensibility

Todd lives in Minnesota, serving a Catholic parish as a lay minister.
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