The heavens above: a popular handbook of astronomy (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908 · New York, Chicago, Potter, Ainsworth, & Co. · leaf 169
placing it as highas four million degrees Fahrenheit, and others as low asten thousand degrees. Professor Young thinks that Rosettis ISO ASTRONOMY. estimate of eighteen thousand degrees as the effective tem-perature of the suns surface is probably not far fromcorrect. By this is meant the… … 145. The Amount of Heat Radiated by the Sun. — Aunit of heat is the amount of heat required to raise apound of water one degree in temperature. It takes abouta hundred and forty-three units of heat to melt a pound ofice without changing its temperature. A cubic foot of iceweighs about fifty-seven…
Astronomy
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