Mathematics – Logic
Scientific paper
May 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agusm..sh32b01h&link_type=abstract
American Geophysical Union, Spring Meeting 2001, abstract #SH32B-01
Mathematics
Logic
7594 Instruments And Techniques
Scientific paper
The Solar Probe mission is an unprecedented exploration of the inner heliosphere, which will achieve unique science by flying over the pole of the Sun and as close to the Sun's surface, through the solar corona, as is technologically feasible today. It will first travel to Jupiter for a gravity assist, leave the ecliptic plane, fly over the Sun's poles to within 8 solar radii, and reach perihelion over the equator at 4 solar radii. A unique aspect of the Solar probe orbit is that the trajectory is orthogonal to the Sun-Earth line during perihelion passage so that there is continuous radio contact throughout the flyby. Two perihelion passes are planned, the first near the 2010 solar maximum and the second near the 2015 solar minimum. This orbit ensures that the mission will probe both the high speed solar wind streams and the equatorial low-speed streams. The solar corona to be explored by Probe is currently one of the last unexplored regions of the solar system, and one of the most important to understand in terms of the Solar-Terrestrial connection. The results from SOHO and Ulysses have focused our understanding of the solar corona to the point where in-situ measurements are now necessary for further progress. Both imaging and in-situ measurements will provide the first three dimensional view of the corona, high spatial and temporal resolution measurements of the plasma and magnetic fields, as well as helioseisology and magnetic field observations of the solar pole.
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