Fundamental features of the heliosphere are not well understood (Opher et al. 2020). SHIELD will determine the main physical drivers contributing to its shape.
Zieger, B, Opher, M., Toth, G, Florisnki, V., Dispersive Fast Magnetosonic Waves and Shock-Driven Compressible Turbulence in the Inner Heliosheath, Journal of Geophysical Research, 125, Issue 10, article id. E28393 (2020).
Dialynas, K., Galli, A., Dayeh, M. A., Cummings, A. C., Decker, R. B., Fuselier, S. A., Gioulidou, M., Rousses, E., Krimigis, S. M., Mitchell, D. G., Richardson, J. D., Opher, M. Combined ~10 eV to ~344 MeV particle spectra and pressures in the Heliosheath along the Voyager 2 trajectory, The Astrophysical Journal, 905, Issue 2, id. L24 (2020).
