Abstract
THE light from the photosphere of the sun will illuminate not only the hemisphere of the moon facing the sun but also a zone five miles wide beyond the great circle bounding the hemisphere. A further zone five miles in width will be illuminated by those radiations emanating from the corona, if the height of the corona be regarded as equal to one radius of the sun. The intenser light of the relatively low inner corona will fall on a narrow strip of this lunar zone, bordering upon the edge of the surface upon which the photospheric light is falling.
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DOUGLAS, A. The Corona by Reflection from the Moon. Nature 140, 156–157 (1937). https://doi.org/10.1038/140156b0
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DOI: https://doi.org/10.1038/140156b0
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