Word: corona
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Dates: during 1890-1899
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Prof. J. M. Shaeberies of Lick Observatory is on his way to South America where he will photograph the corona, during the eclipse of April...
...describe the motion of the moon with the reference to the earth and sun, and so came to the subject of eclipses. Eclipses of the sun, though generally partial, are sometimes total. In such cases the bright light which is visible around the sun is called the corona, and is supposed to be due to the reflection of light from floating particles in the sun's atmosphere. This, however, is only one of several theories about the matter. In a total eclipse, too, we notice certain red spots around the edge of the moon, and for a long time...