NASA to Explore "Secret Layer" of the Sun

Reply Sun 7 Sep, 2008 12:54 pm
Next April, for a grand total of 8 minutes, NASA astronomers are going to glimpse a secret layer of the sun

Researchers call it "the transition region." It is a place in the sun's atmosphere, about 5000 km above the stellar surface, where magnetic fields overwhelm the pressure of matter and seize control of the sun's gases. It's where solar flares explode, where coronal mass ejections begin their journey to Earth, where the solar wind is mysteriously accelerated to a million mph.

It is, in short, the birthplace of space weather.

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Reply Sun 7 Sep, 2008 12:59 pm
@Robert Gentel,
8 minutes? Solar eclipse?
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Reply Sun 7 Sep, 2008 01:12 pm
I skimmed the article. 8 minutes from when the rocket leaves the atmosphere and has a view of the sun to when the lander re-enters the atmosphere to return to Earth.
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