One of the best visualizations ever produced of the spectrum of light from our glorious Sun reveals some mysterious holes in its array of colors. Most of the thousands of dark Fraunhofer lines in the ...
Morning Overview on MSN
Some colors are missing from the sun, and nobody knows why
Sunlight looks smooth and white to the naked eye, but when I break it apart with a prism or a spectrograph, it turns out to ...
Scientists have captured an exceptionally rare, high-resolution view of an active region that produced two powerful X-class solar flares—an achievement rarely possible from Earth. Using the GREGOR ...
The spectral composition of the Sun’s output is not constant but varies over multiple timescales, from days to decadal cycles. Solar spectral irradiance variability (SSI) refers to the changes in the ...
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