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"The origin of the earth," geology schoolwork by Eve Drewelowe, March 1, 1922

Page 7

held together by gravity. Metoerites would act not unlike a mass of gas except they are coarser. Because they would act like a coarse gas the laws of gases may be applied in determining its mechanics. If the metoerites of such a nebula move in various directions the hypothesis is identical with the nebular hypothesis and in such a case is subject to the same criticisms. To summarize the hypothesis I would say that the parent nebula is a swarm of metoerites the molecules of which moved in different directions. Frequent collisions gave rise to light, heat and evaporation. The metoerites behaved much as a course gas would and the development of the solar system would have been much the same as its development in the nebular hypothesis.
The planitesimal hypothesis was presented by J.G. Chamberlain, F.R. Moulton and R.D. Salisbury. J.G. Chamberlain was born in Motton, Illinois in 1843 but moved to Whitewater some time later. He graduated from high school at Whitewater, taught in the country schools there, then attended the normal school. He always was interested in natural sciences. He was then principal of the high school at Delavan, Wisconsin from 1861-1868; Prof. of natural science of the State geologist at Beloit from 1873-1882; Assistant state geologist of Wisconsin from 1873-1876; chief geologist of Wisconsin from 1876-1882; geologist in charge of glacial division of the U.S. Geology Survey from 1882-1904; lecturer of geology in Beloit from 1882,-1887; Prof. of geology at Washington from 1885-1887; President of Wisconsin University from 1887-1892; head of department of Geology of Chicago University from 1892-1919; emergency Prof. from 1919- . Besides these duties Dr. Chamberlain had various other activities. In 1878 he was Representative for Wisconsin

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held together by gravity. Metoerites would act not unlike a mass of gas except they are coarser. Because they would act like a coarse gas the laws of gases may be applied in determining its mechanics. If the metoerites of such a nebula move in various directions the hypothesis is identical with the nebular hypothesis and in such a case is subject to the same criticisms. To summarize the hypothesis I would say that the parent nebula is a swarm of metoerites the molecules of which moved in different directions. Frequent collisions gave rise to light, heat and evaporation. The metoerites behaved much as a course gas would and the development of the solar system would have been much the same as its development in the nebular hypothesis. The planitesimal hypothesis was presented by J.G. Chamberlain, F.R. Moulton and R.D. Salisbury. J.G. Chamberlain was born in Motton, Illinois in 1843 but moved to Whitewater some time later. He graduated from high school at Whitewater, taught in the country schools there, then attended the normal school. He always was interested in natural sciences. He was then principal of the high school at Delavan, Wisconsin from 1861-1868; Prof. of natural science of the State geologist at Beloit from 1873-1882; Assistant state geologist of Wisconsin from 1873-1876; chief geologist of Wisconsin from 1876-1882; geologist in charge of glacial division of the U.S. Geology Survey from 1882-1904; lecturer of geology in Beloit from 1882,-1887; Prof. of geology at Washington from 1885-1887; President of Wisconsin University from 1887-1892; head of department of Geology of Chicago University from 1892-1919; emergency Prof. from 1919- . Besides these duties Dr. Chamberlain had various other activities. In 1878 he was Representative for Wisconsin