Word: lunar
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Dates: during 1900-1909
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...Observatory has issued a circular giving a series of measurements of the diameter of the bright spot surrounding the Linne crater on the moon's surface made before and after the passage of the shadow of the earth during the total lunar eclipse of October 16. The circular contains tables which show that the spot has increased in size during the last three years. Professor W.H. Pickering, who made the observations, believes that the explanation of the change in the size of the spot is that Linne is more active than heretofore, and that there is therefore surrounding it more...