Download Carl Størmer: Auroral Pioneer by Alv Egeland, William J. Burke PDF

By Alv Egeland, William J. Burke

This biography summarizes the seminal contributions to auroral and house technology of Carl Størmer (1874 - 1957). He used to be the 1st to enhance special photographic the right way to calculate heights and morphologies of various auroral varieties in the course of 4 sunlight cycles. Størmer independently devised numerical innovations to figure out the trajectories of high-energy charged debris allowed and forbidden within the Earth’s magnetic box. His theoretical analyses defined cosmic ray entry to the higher surroundings, twenty years earlier than they have been pointed out via different scientists. Størmer’s crowning fulfillment, “The Polar Aurora,” released while he used to be eighty one years outdated, stands to today as an often stated consultant in graduate-level classes on house physics.

The authors current the lifetime of this prodigious scientist when it comes to the cultural lifetime of early twentieth century in Norway and to the improvement of the distance sciences within the post-Sputnik era.

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Among other things, he was famous for having solved a problem initially posed by Niels Henrik Abel on the reducibility of algebraic equations by radicals. He was also an influential member of the French Academy and well regarded throughout Europe. 4 Postgraduate Research in France and Germany 25 Carl’s letter to his mother captures the spirit of collaboration that existed among European mathematicians near the end of the nineteenth century. The following paragraphs synopsize the letter’s contents.

In later years he would also master English. In August 1903, at the age of 29 Størmer was appointed Professor of Pure Mathematic at the University of Kristiania, a position he would hold for 43 years. Carl had to compete for the position with Alf Guldberg (1866–1936) a Norwegian mathematician. 4 Postgraduate Research in France and Germany 27 Fig. 12 Christian Krohg’s painting of Carl Størmer when he was 40 years old. Christian Krohg (1852–1925) is one of Norway’s most famous artists. The painting belongs to Georg Størmer two more papers.

Except for the form “corona”, I have several photographs that will be excellent for use in a slide show. On only three nights were we able to see auroral coronas, but they lasted short times. So we have few corona pictures. 44 3 Størmer’s Auroral Studies My expedition material will be valuable for further auroral studies because I can now demonstrate the great advantage of parallactic pictures. With known star backgrounds, we can estimate not only the auroral heights, but also their locations. 2) of a second.

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