NASA's IRIS spots giant solar flare

February 22, 2014 6:00 PM

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NASA announced on Friday that the space agency's Interface Region Imagining Spectrograph (IRIS) spacecraft had observed its largest solar flare since it had launched in June of 2013. The enormous burst of x-rays and light occurred on Jan. 28, 2014.

IRIS observes a portion of the sun's atmosphere called the chromosphere. The Chromosphere is just above the sun's surface and regulates the flow of energy from the surface out into space.IRIS cannot observe the same time so the scientific team must decide which region can provide useful observations...

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