Piercy, Willis Duff · New York, Charles E. Merrill company · leaf 133
ried in Westminster Abbey, with the illus-trious dead of Great Britain. The operation of this law of gravitation pointedthe way to the discovery of the planet Neptune, whichis considered the greatest triumph of mathematicalastronomy since the days of Newton. Prior to thediscovery of Neptune, Uranus… … Sir Isaac Newton the edge of the known planetary S3^stem. As theresult of a skilful and laborious investigation, Levorrior,a young French astronomer, wrote in substance to anassistant in the observatory at Berlin: Direct yourtelescope to a point on the ecliptic in the constellationof Aquarius in…
Inventions
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