Is it justified to assume that 'Everywhere in the sun's photosphere-corona domain the electric conductivity is HIGH?'; or, what drives the solar upper atmosphere?

Details Is it justified to assume that 'Everywhere in the sun's photosphere-corona domain the electric conductivity is HIGH?'; or, what drives the solar upper atmosphere? Is it justified to assume that 'Everywhere in the sun's photosphere-corona domain the electric conductivity is HIGH?'; or, what drives the solar upper atmosphere?

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...411..896f&link_type=abstract

Astrophysical Journal - Part 1 (ISSN 0004-637X), vol. 411, no. 2, p. 896-908.

Astronomy and Astrophysics

Astrophysics

26

Electrical Resistivity, Magnetohydrodynamics, Photosphere, Solar Atmosphere, Solar Corona, Upper Atmosphere, Ion Charge, Metal Ions, Solar Eclipses, Solar Spectra, Visible Spectrum

Scientific paper

For many years, solar scientists have recognized the extreme complexity of the upper solar atmosphere. However, in order to construct a valid theoretical model they have formulated a set of simplified assumptions governing the makeup of the sun's upper atmosphere. In previous papers a number of assumptions used to construct the models were shown not to be valid. In this Paper I bring evidence to question the validity of the last and most important of the assumptions, the assertion that 'Everywhere in the photosphere-corona domain the electric conductivity is HIGH'. The consequences of the finding are briefly discussed. A laboratory measurement of the electrical conductivity versus temperature in a gas with photospheric composition would resolve this important issue and seem to be feasible.

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