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George Johnstone Stoney
1826-1911
George Johnstone Stoney was born in Oakley Park, Co. ... Stoney was educated at Trinity College Dublin and became an assistant Professor at Lord Rosses Observatory at Birr. ... Stoney thus explained the absence of atmosphere from our small moon, and was strongly of the opinion that helium is now escaping from the earth. ... Stoney held that Mars is too small to retain water, thus entering from the mathematical point of view into the controversy yet unsettled as to the presence or not of water in Mars. The American observer, Lowell, and others maintained the presence of water, and even possibly life as we know it. ... Stoney considered from mathematical reasoning that the “snow " caps on Mars are more probably due to the heavy gas carbon dioxide. ... Stoney considered Mars too small to retain water in its atmosphere, and the temperature probably much too cold for the presence of water in a liquid or cloud state. ... Stoney attributed to some of the oxides of nitrogen in its atmosphere which change colour with the temperature--so giving the Martian seasonal changes of colour. ...
When Clausius work on the Kinetic Theory of Gases was published Stoney saw at once in 1867 that it gave a clue from which could be obtained the number of molecules in a given volume of gas under standard conditions, and so the actual mass of the atom of any given chemical element.
Approximate Word count = 1008
Approximate Pages = 4
(250 words per page double spaced)
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