The NOAA 11131 sunspot region (Dec. 6, 2010) was the most intense spot measured in this study, but far from the largest the Sun can produce. The first graph (A) shows how OH starts to appear in the ...
A team member spreads fertilizer on a recently abandoned pasture plot. White tubes mark locations in the plot so researchers can locate trees as they grow back. After four years, the trees in this ...
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