Abstract
AMONG the recent solar phenomena, now betokening a considerably disturbed sun, may be noted two large groups of sunspots and a smaller one of special interest. Particulars of these groups are as fellows:
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Recent Solar Activity and Radio Fadings. Nature 139, 228 (1937). https://doi.org/10.1038/139228a0
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DOI: https://doi.org/10.1038/139228a0