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V.—Spectroscopic Observations of the Rotation of the Sun

Published online by Cambridge University Press:  22 March 2019

J. Halm*
Affiliation:
Assistant Astronomer at the Royal Observatory, andLecturer in Astronomy at the University, Edinburgh.

Extract

The causes of the peculiarities of the solar rotation exhibited by the superficial layers of the sun's body must still be considered unknown, notwithstanding recent interesting attempts at explanation. This is no doubt partly due to the difficulties of the hydrodynamical problem placed before the mathematician in an investigation of such complexity as the movements of particles in a rotating fluid subject to energetic convection. But it must also be conceded that the observational data available for a basis of mathematical, or even speculative, research are still so scanty, that for this reason alone we may perhaps not feel surprised at the failure so far of theoretical attempts.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1906

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References

page 91 note * Nora, Acta Regiae Socictatis Scientiarum Upsaliensis, 3rd series, vol. xiv. fasc. ii., 1891.