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Space

NASA To Explore "Secret Layer" of the Sun 75

SpaceAdmiral brings news that NASA will be launching a telescope next April, called Solar Ultraviolet Magnetograph Investigation (SUMI), which will examine what is called the "transition region" between the Sun's corona and the chromosphere. Scientists have studied characteristics of the Sun around this region before, but never within it. NASA notes: "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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