Monday, June 26, 2006

NASA and NSF Computers Simulate Sun's Corona


Image source: Stanford Solar Center

Via NASA.

For the first time, researchers have developed a computer simulation that can accurately create a model of the sun's outer atmosphere, or corona. Funded by NASA and the National Science Foundation, the computer model marks the beginning of a new era in space weather prediction.

By accurately simulating the behavior of the corona, scientists hope to eventually predict when it will produce flares and coronal mass ejections, huge clouds of hot plasma ejected from the sun. It's the same approach the National Weather Service uses to predict when the Earth's atmosphere will produce thunderstorms or hurricanes.

Such predictions will help protect astronauts against radiation from flares and coronal mass ejections, in addition to mitigating disruptions on orbiting satellites and land-based communications and power systems.

More here.

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