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Scientific American, Vol. 97, No. 22 (November 1907) (1907)

leaf 4

An illustration from Scientific American, Vol. 97, No. 22 (November 1907), 1907, leaf 4
up is over 100,000 miles in diameter, a fact easily Mercury across the face of the sun was obtained by of the paper with distilled water and noting whether tested by comparing with the sun, 866,000 miles in the absorption is greater in one part than another the writers under rather trying… … the spot, is made not rejoice the Mercury Showing as a Nick in the Sun's Mercury Hearing the Sun's Edge at 8:27 A.M. Note the Spot Group hearts of the much more appar- Limb at 8:48 A.M. 100,000 Miles in Extent. ent when photo- astronomers to an graphed by trans- equal degree, for THE TEANSIT OF…

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