Feasibility Study of the Possibility of Repeating Danjon's  Measurements
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Starting in the late twenties, Danjon made careful                         measurements in France to determine the brightness of the "ashen                light" on the dark side of the moon.  That light produced by                    illumination from the earth, is controlled by the sun-earth-moon                geometry and is proportional to the earth's visible albedo.                     Careful repetition of Danjon's measurements sixty years later                   might be a useful test for a possible secular change in the                     earth's albedo.  Under this award, Professor Twomey will examine                the feasibility of repeating Danjon's experiment.
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{'Code': '914500', 'Text': 'SPECIAL PROGRAMS-RESERVE'}
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