apr 052013
 
Volcanoes on Jupiter's Moon Io are in the Wrong Spot

  Jupiter’s moon Io is the most volcanically active world in the Solar System, with hundreds of volcanoes, some erupting lava fountains up to 250 miles high (about 400 kilometers). However, concentrations of volcanic activity are significantly displaced from where they are expected to be, based on models that predict how the moon’s interior is [continue reading]

jun 012012
 
"Dusty Plasma"  Observed in Enceladus Plume Region?

  Recent findings from NASA’s Cassini mission reveal that Saturn’s geyser moon Enceladus provides a special laboratory for watching unusual behavior of plasma, or hot ionized gas. In these recent findings, some Cassini scientists think they have observed “dusty plasma,” a condition theorized but not previously observed on site, near Enceladus. This image is a [continue reading]