A Voyage through the Heliosphere (Invited)

Details A Voyage through the Heliosphere (Invited) A Voyage through the Heliosphere (Invited)

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh33c..01b&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #SH33C-01

Astronomy and Astrophysics

Astrophysics

[2124] Interplanetary Physics / Heliopause And Solar Wind Termination, [2126] Interplanetary Physics / Heliosphere/Interstellar Medium Interactions, [2149] Interplanetary Physics / Mhd Waves And Turbulence, [7599] Solar Physics, Astrophysics, And Astronomy / General Or Miscellaneous

Scientific paper

Parker adopted the word “Heliosphere” to denote “the region of interstellar space swept out by the solar wind” His book “Interplanetary Dynamical Processes” (1963) provided “a comprehensive self-consistent dynamical picture of interplanetary activity” on spatial scales from the Larmor radius to the outermost limits of the heliosphere and over a broad range of temporal scales. The spacecraft Voyagers 1 and 2 have taken us on a journey through much of the heliosphere: from Earth, past the termination shock near 90 AU, and into the inner heliosheath. This talk will use magnetic field observations from V1 and V2 to illustrate how Parker’s dynamical picture has been largely confirmed by observations out to ~100 AU. It will also discuss some “complicating aspects of the dynamics…which will turn up in future observations…” that Parker envisaged. With continued funding, the Voyager spacecraft will allow us to explore the heliosheath, cross the boundary of the heliosphere, and sample the local interstellar medium, guided by still untested predictions of Parker.

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