MR. AXEL COBLIN 1 has described an observation which has convinced him that the aurora can appear under the clouds. I have also observed a similar phenomenon; but in circumstances which made it possible for me to convince myself that the whole effect was an illusion and that the aurora was above and not below the clouds.
NATURE, April 11, p. 553.
NATURE, Mar. 7, p. 341.
Phil. Trans. Boy. Soc., A, vol. 205, pp. 61–97 ; 1905.
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SIMPSON, G. Low Altitude Aurora. Nature 127, 663 (1931). https://doi.org/10.1038/127663a0
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