A comet's tail may shed light on solar wind heating

We can’t see the wind, but we can learn about it by observing things that are being blown about. And by studying changes in a comet’s bright tail of gas and ions, scientists are on the trail to solving two big mysteries about the solar wind, the supersonic outflow of electrically charged gas from the Sun’s million-degree upper atmosphere or corona.

Source:: A comet’s tail may shed light on solar wind heating

      

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