- Log in to post comments
More like this
In the shadow of Saturn, unexpected wonders appear. The robotic Cassini spacecraft now orbiting Saturn recently drifted in giant planet's shadow for about 12 hours and looked back toward the eclipsed Sun. Cassini saw a view unlike any other. First, the night side of Saturn is seen to be partly…
This image of the northern polar region of Saturn shows both the aurora and underlying atmosphere, seen at two different wavelengths of infrared light as captured by NASA's Cassini spacecraft.
Energetic particles, crashing into the upper atmosphere cause the aurora, shown in blue, to glow…
"More days to come / New places to go
I've got to leave / It's time for a show
Here I am / Rock you like a hurricane!" -The Scorpions
It isn't just Earth, of course, where these great cyclonic storms occur, whipping across the planet and wreaking havoc as they rage above the surface. Most famous,…
"For most of the history of our species we were helpless to understand how nature works. We took every storm, drought, illness and comet personally. We created myths and spirits in an attempt to explain the patterns of nature." -Ann Druyan
Here on Earth, we are well aware of how devastating storms…
Great picture, and the posts on world affairs are good too. This week's issue of NATURE reports that old theories of Saturn's heat are lacking. Saturn radiates 2.8 times as much heat as it receives from the Sun. "This unexplained energy crisis represents a major gap in our understanding of these planet's atmospheres," the authors write, "we need to re-examine our basic assumptions about planetary atmospheres and what causes the observed heating."