Scientists to Io: Volcanoes are in the Wrong Spot

[youtube_video]http://youtu.be/4T37w801UYA[/youtube_video]

Video courtesy of NASA

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 […]

Blame it on the Rain (from Saturn's Rings)

This artist’s concept illustrates how charged water particles flow into the Saturnian atmosphere from the planet’s rings, causing a reduction in atmospheric brightness. The observations were made with the W.M. Keck Observatory on Mauna Kea, Hawaii, with NASA funding. The analysis was led by the University of Leicester, England. Image Credit: NASA/JPL-Caltech/Space Science […]