Bv measuring tlie change in temperature on the moon during a lunar eclipse, Professor Paul P. Epstein, of the California Institute of Technology, has arrived at a conclusion as to what the moon is made of. Reporting at the Pasadena meeting of the American Physical Society he says concerning his measurements: "It follows that the surface layer of the moon could not be composed of any solid rock known on earth, but must consist of some highly porous material comparable in its' thermic finalities to wolcanig mL"
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Bibliographic details
Auckland Star, Volume LX, Issue 91, 18 April 1929, Page 19
Word Count
87Page 19 Advertisements Column 2 Auckland Star, Volume LX, Issue 91, 18 April 1929, Page 19
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