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| Titel |
Svante Arrhenius, cosmical physicist and auroral theorist |
| VerfasserIn |
H. Kragh |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
2190-5010
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| Digitales Dokument |
URL |
| Erschienen |
In: History of Geo- and Space Sciences ; 4, no. 2 ; Nr. 4, no. 2 (2013-07-04), S.61-69 |
| Datensatznummer |
250017789
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| Publikation (Nr.) |
 copernicus.org/hgss-4-61-2013.pdf |
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| Zusammenfassung |
| Many scientists in the fin de siècle era saw a need
to coordinate and unify the increasing amount of data relating the physical
conditions of the Earth and the Sun; or more generally to establish a
synthetic perspective that covered the earth sciences in relation to the new
astrophysical sciences. Promoted under the label "cosmical physics'', the
unifying solar–terrestrial perspective was in vogue for a decade or two.
Perhaps more than any other scientist in the period, the versatile Swedish
chemist and physicist Svante Arrhenius represented the aims of cosmical
physics. A central problem in the new and ambitious research programme was
to understand the origin and nature of the aurora, and to relate it to other
celestial phenomena such as the solar corona and the tails of comets. In
1900 Arrhenius proposed a unified explanation of these and other phenomena
based on the Sun's radiation pressure. The theory was widely discussed,
praised as well as criticized. Arrhenius was not only a key scientist in the
short-lived tradition of cosmical physics, but also influential as a popular
writer and powerful member of the Nobel Committee for Physics. His work
illustrates an approach to the earth and space sciences characteristic of
the fin de siècle period. |
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