= Handbook of Geophysics and the Space Environment =
=== 1985 Adolph S. Jursa - Air Force Geophysics Laboratory ===

 . '''Ch 3 Solar Wind''' - J. Feynman is Joan Feynman, prodigious solar astrophysicist encouraged by older brother Richard
 . 3-24c2 To simplify the calculations further the magnetosphere is often approximated as an axisymmetric body formed by the rotation of the equatorial trace of the magnetosphere boundary around the earth sun line.
 .