G. Picardi, Radar Soundings of the Subsurface of Mars, Science, vol.310, issue.5756, pp.1925-1928, 2005.
URL : https://hal.archives-ouvertes.fr/insu-00356405

J. J. Plaut, Subsurface radar sounding of the south polar layered deposits of Mars, Science, vol.316, p.17363628, 2007.
URL : https://hal.archives-ouvertes.fr/insu-00359627

R. J. Phillips, Massive CO 2 ice deposits sequestered in the south polar layered deposits of Mars, Science, vol.332, p.21512003, 2011.

T. Ono, A. Kumamoto, Y. Yamaguchi, A. Yamaji, T. Kobayashi et al., Instrumentation and observation target of the Lunar Radar Sounder (LRS) experiment on-board the SELENE spacecraft, Earth, Planets and Space, vol.60, issue.4, pp.321-332, 2008.

W. Kofman, Comet Nucleus Sounding Experiment by Radiowave Transmission, Adv. Space Res, vol.21, pp.1589-1598, 1998.
URL : https://hal.archives-ouvertes.fr/insu-02263091

J. Biele, The landing(s) of Philae and inferences on comet surface mechanical properties, Science, vol.349, p.9816, 2015.

J. Boisson, Radar sounding of temperate permafrost in Alaska: Analogy to the Martian midlatitude to high-latitude ice-rich terrains, J. Geophys. Res, vol.116, p.11003, 2011.
URL : https://hal.archives-ouvertes.fr/insu-02564101

H. Sierks, C. Barbieri, P. L. Lamy, R. Rodrigo, D. Koschny et al., On the nucleus structure and activity of comet 67P/Churyumov-Gerasimenko, Science, vol.347, issue.6220, pp.aaa1044-aaa1044, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01110122

, Comets II, 2004.

E. Hadamcik, A. K. Sen, A. C. Levasseur-regourd, R. Gupta, and J. Lasue, Polarimetric observations of comet 67P/Churyumov-Gerasimenko during its 2008-2009 apparition, Astron. Astrophys, vol.517, p.86, 2010.
URL : https://hal.archives-ouvertes.fr/hal-00481222

F. Capaccioni, The organic-rich surface of comet 67P/Churyumov-Gerasimenko as seen by VIRTIS/Rosetta, Science, vol.347, p.25613895, 2015.
URL : https://hal.archives-ouvertes.fr/hal-02423383

R. Schulz, M. Hilchenbach, Y. Langevin, J. Kissel, J. Silen et al., Comet 67P/Churyumov-Gerasimenko sheds dust coat accumulated over the past four years, Nature, vol.518, issue.7538, pp.216-218, 2015.
URL : https://hal.archives-ouvertes.fr/insu-01182128

A. Sihvola, Electromagnetic Mixing Formulas and Applications (The Institution of Electrical Engineers, 2004.

M. Born and E. Wolf, Principles of Optics, 1970.

M. Benna, J. Barriot, W. Kofman, and Y. Barbin, Generation of 3-D synthetic data for the modeling of the CONSERT experiment (the radiotomography of comet 7P/Churyumov Gerasimenko), IEEE Trans. Antenn. Propag, vol.52, pp.709-716, 2004.

A. Herique, W. Kofman, T. Hagfors, G. Caudal, and J. Ayanides, A characterization of a comet nucleus interior: Inversion of simulated radio frequency data, Planet. Space Sci, vol.47, pp.885-904, 1999.

S. R. Gough, A low temperature dielectric cell and the permittivity of hexagonal ice to 2 K, Can. J. Chem, vol.50, pp.3046-3051, 1972.

E. Heggy, Radar properties of comets: Parametric dielectric modeling of Comet 67P/Churyumov-Gerasimenko, Icarus, vol.221, pp.925-939, 2012.

J. Klinger, A. Levasseur-regourd, N. Bouziani, and A. Enzian, Towards a model of cometary nuclei for engineering studies for future space missions to comets, Planet. Space Sci, vol.44, issue.96, pp.67-67, 1996.

O. Andersson, Dielectric relaxation of the amorphous ices, Journal of Physics: Condensed Matter, vol.20, issue.24, p.244115, 2008.

E. Pettinelli, Frequency and time domain permittivity measurements on solid CO 2 and solid CO 2 -soil mixtures as Martian soil simulants, J. Geophys. Res, vol.108, issue.E4, p.8029, 2003.

P. Ehrenfreund and S. B. Charnley, Organic molecules in the interstellar medium, comets, and meteorites: A voyage from dark clouds to the early Earth, Annu. Rev. Astron. Astrophys, vol.38, pp.427-483, 2000.

M. S. Hanner, M. S. , and J. P. Bradley, , pp.555-564, 2004.

G. J. Flynn, Elemental compositions of comet 81P/Wild 2 samples collected by Stardust, Science, vol.314, p.17170294, 2006.
URL : https://hal.archives-ouvertes.fr/hal-00337994

T. Stephan, Assessing the elemental composition of comet 81P/Wild 2 by analyzing dust collected by Stardust, Space Sci. Rev, vol.138, pp.247-258, 2008.

D. Brownlee, D. Joswiak, and G. Matrajt, Overview of the rocky component of Wild 2 comet samples: Insight into the early solar system, relationship with meteoritic materials and the differences between comets and asteroids, Meteoritics & Planetary Science, vol.47, issue.4, pp.453-470, 2012.

D. J. Joswiak, Comprehensive examination of large mineral and rock fragments in Stardust tracks: Mineralogy, analogous extraterrestrial materials, and source regions

D. J. Joswiak, D. E. Brownlee, G. Matrajt, A. J. Westphal, C. J. Snead et al., Comprehensive examination of large mineral and rock fragments in Stardust tracks: Mineralogy, analogous extraterrestrial materials, and source regions, Meteoritics & Planetary Science, vol.47, issue.4, pp.471-524, 2012.

P. Kamoun, P. L. Lamy, I. Toth, and A. Herique, Constraints on the subsurface structure and density of the nucleus of Comet 67P/Churyumov-Gerasimenko from Arecibo radar observations, Astronomy & Astrophysics, vol.568, p.A21, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01441007

, CHO-Bearing Molecules in Comet 67P/Churyumov-Gerasimenko

C. Sierks, H. Statz, I. Svedhem, S. Williams, J. Zine et al.,

E. Levasseur-regourd, P. Nielsen, F. Pasquero, and . Preusker,

C. Elachi, J. Eyraud, E. Goutail, L. Heggy, J. Jorda et al., Science REFERENCES, issue.6247

G. Woolsey, The Fifth Column: Working for Free So You Can Work for Money So You Can Work for Free Again, Interfaces, vol.37, issue.4, pp.385-387, 2007.