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    • Solar Halo - Nature

      Nature· 4 days ago

      ON Friday, June 27, about 5 p.m. my attention was drawn to a solar halo which lasted for about two hours from that time; the circular part of the halo was white, and about ...

    • Societies and Academies - Nature

      Nature· 11 hours ago

      The difference in wave-length observed for the principal line, λ= 4058 Å., is about two hundred times as great as that expected on theoretical grounds.—G. I. Taylor; Experiments with rotating ...