THE SUN’S TEMPERATURE.

F. R. (Minneapolis, Minn.): Has the temperature of the sun been

established? And, if so, what is it?

The following figures are given by the principal scientists who studied

the solar temperature: Newton, 1,669,000 degrees Alsius; Pouillet,

1,461; Zollner, 102,000; Secchi, 5,344,840; Ericson, 2,726,700; Fizeau,

7,500; Walerston, 9,000,000; Abney and Fessing, 12,700; Wilson and

Gray, 8,700; Pernter, 30,000; Sporer, 27,000; Sainte-Claire Deville,

2,500; Soret, 5,801,846; Vicair, 1,398; Violle, 1,500; Rosetti,

20,000; Langley, 8,333,000; Ebert, 40,000; Guillaume and Christiansen,

6,000; Paschen, 5,000.

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