Cassini finds mingling moons may share a dark past

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This collage shows several of Saturns moons. Credits: NASAJPLSpace Science Institute
This collage shows several of Saturn's moons. Credits: NASA/JPL/Space Science Institute

Despite the incredible diversity of Saturn’s icy moons, theirs is a story of great interaction. Some are pock-marked, some seemingly dirty, others pristine, one spongy, one two-faced, some still spewing with activity and some seeming to be captured from the far reaches of the solar system. Yet many of them have a common thread - black ‘stuff’ coating their surfaces.


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All News summaries for February 19, 2008

NASA Satellite Finds Interior of Mars Is Colder

3 minutes ago | User rating: not rated yet
New observations from NASA's Mars Reconnaissance Orbiter indicate that the crust and upper mantle of Mars are stiffer and colder than previously thought.

Eccentric pulsar system challenges theories of binary formation

17 minutes ago | User rating: not rated yet
An ongoing sky survey using the Cornell-managed Arecibo radio telescope in Puerto Rico has turned up a massive, fast-spinning binary pulsar with a mysterious elongated orbit, researchers say. The pulsar and ...

Astronomers use new model of dust in galaxies to remeasure the total energy output of stars in the universe

1 hour ago | User rating: not rated yet
Anyone gazing up on a dark clear night is greeted by the spectacle of thousands of powerful fusion reactors - the stars. These balls of extremely hot gas are generating unimaginably large quantities of energy. ...

Addressing the 'nitrogen cascade'

2 hours ago | User rating: not rated yet
While human-caused global climate change has long been a concern for environmental scientists and is a well-known public policy issue, the problem of excessive reactive nitrogen in the environment is little-known beyond a ...

Microsoft in deal on European environment data

3 hours ago | User rating: not rated yet
(AP) -- Microsoft Corp. says it is collaborating with the European Environmental Agency to make information about local air and water pollution levels freely available to consumers through Microsoft Web portals.
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