The solar probe and coronal dynamics

Details The solar probe and coronal dynamics The solar probe and coronal dynamics

Sep 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978clus.nasa..318b&link_type=abstract

In JPL A Close-up of the Sun p 318-333 (SEE N78-32964 23-92)

Other

Solar Corona, Solar Probes, Solar Wind, Velocity Measurement, Electron Distribution, Magnetic Fields, Protons, Solar Flux Density

Scientific paper

The discovery of coronal holes led to basic changes in ideas about the structure of the low corona and its expansion into the solar wind. The nature of the energy flux is not understood. Current ideas include enhanced thermal conductivities, extended MHD wave heating, and wave momentum transfer, all in rapidly diverging geometries. There is little feel for the relative importance of these processes. The Solar Probe, with its penetration deep into the solar corona, could lead to observational constraints on their relative importance, and thus to an understanding of the origin of the solar wind. Observations from the Solar Probe will also bear on such questions as to whether small scale "intrastream" structure is common close to the Sun in open field-line regions, whether the properties of the wind are pronouncedly different over closed and open field-line regions at five solar radii, and many others. The resolution of these questions requires measurements of the magnetic field and of the proton and electron distribution functions.

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