Beyond the Atmosphere: Early Years of Space Science

 
CHAPTER 20
 
EXPLORATION OF THE SOLAR SYSTEM
 
 
Solar Magnetic Field
 
Figure 46. Sector structure of the solar magnetic field. The data are for December 1963 to February 1964. The direction of the average experimental interplanetary magnetic field during three-hour intervals is denoted by plus signals (away from the sun) and minus signs (toward the sun). Parentheses around a plus or minus sign indicate that the field direction fluctuated significantly. The solid lines represent magnetic field lines at sector boundaries. Alois W. Schardt and Albert G. Opp in Significant Achievements in Space Science, 1965, NASA SP-136 (1967), p.42.


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