Cometary plasma science Open science questions for future space missions

C Goetz^*, H Gunell, M Volwerk, A Beth, A. Eriksson, M Galand, P Henri, H Nilsson, C Simon Wedlund, M Alho, L Andersson, N Andre, J De Keyser, J Deca, Y Ge, K H Glassmeier, R Hajra, T. Karlsson, S Kasahara, I KolmasovaK L Lera, H Madanian, I Mann, C Mazelle, E Odelstad, F Plaschke, M Rubin, B Sanchez-Cano, C. Snodgrass, E Vigren

^*Corresponding author for this work