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Journal, 752, 15.
Osterbrock, D. E. (1989). Astrophysics of gaseous nebulae and active galactic nuclei. University
Science Books. ISBN 0-935702-22-9.
Ott, T., et al. (2017). Dust mass distribution around comet 67P/Churyumov-Gerasimenko determined via parallax measurements using Rosetta’s OSIRIS cameras. Monthly Notices of the
Royal Astronomical Society, 469, S276–S284.
Pachucki, K., & Komasa, J. (2008). Ortho-para transition in molecular hydrogen. Physical
Review A, 77, 030501.
Pähtz, T., & Durán, O. (2016). How common are aeolian processes on planetary bodies with very
thin atmospheres? EGU General Assembly Conference Abstracts, 18, EPSC2016-2280.
Pätzold, M., Andert, T., Hahn, M., Asmar, S. W., Barriot, J.-P., Bird, M. K., Häusler, B., Peter, K.,
Tellmann, S., Grün, E., Weissman, P. R., Sierks, H., Jorda, L., Gaskell, R., Preusker, F., &
Scholten, F. (2016). A homogeneous nucleus for comet 67P/Churyumov-Gerasimenko from its
gravity field. Nature, 530, 63–65.
Pätzold, M., Andert, T. P., Hahn, M., Barriot, J.-P., Asmar, S. W., Häusler, B., Bird, M. K.,
Tellmann, S., Oschlisniok, J., & Peter, K. (2019). The nucleus of comet 67P/ChuryumovGerasimenko – Part I: The global view – nucleus mass, mass-loss, porosity, and implications.
Monthly Notices of the Royal Astronomical Society, 483, 2337–2346.
Paganini, L., Mumma, M. J., Villanueva, G. L., Keane, J. V., Blake, G. A., Bonev, B. P., DiSanti,
M. A., Gibb, E. L., & Meech, K. J. (2014a). C/2013 R1 (Lovejoy) at IR wavelengths and the
variability of CO abundances among Oort Cloud comets. The Astrophysical Journal, 791, 122.
Paganini, L., DiSanti, M. A., Mumma, M. J., Villanueva, G. L., Bonev, B. P., Keane, J. V., Gibb,
E. L., Boehnhardt, H., & Meech, K. J. (2014b). The unexpectedly bright Comet C/2012 F6
(Lemmon) unveiled at near-infrared wavelengths. The Astronomical Journal, 147, 15.
Pajola, M., et al. (2017). The pristine interior of comet 67P revealed by the combined Aswan
outburst and cliff collapse. Nature Astronomy, 1, 0092.
Palchik, V. (1999). Influence of porosity and elastic modulus on uniaxial compressive strength in
soft brittle porous sandstones. Rock Mechanics and Rock Engineering, 32(4), 303–309.
Paquette, J. A., Hornung, K., Stenzel, O. J., Ryno, J., Silen, J., Kissel, J., & Hilchenbach, M. (2017).
The 34S/32S isotopic ratio measured in the dust of comet 67P/Churyumov–Gerasimenko by
Rosetta/COSIMA. Monthly Notices of the Royal Astronomical Society, 469, S230–S237.
Peixinho, N., Thirouin, A., Tegler, S. C., Di Sisto, R., Delsanti, A., Guilbert-Lepoutre, A., & Bauer,
J. G. (2020). From Centaurs to Comets – 40 years. In D. Prialnik, M. A. Barucci, & L. Young
(Eds.). ISBN: 9780128164907 The Trans-Neptunian Solar System (p. 307). Elsevier.
Penzias, A. A., Solomon, P. M., Wilson, R. W., & Jefferts, K. B. (1971). Interstellar carbon
monosulfide. The Astrophysical Journal, 168, L53.
Pérez, S., Casassus, S., Baruteau, C., Dong, R., Hales, A., & Cieza, L. (2019). Dust unveils the
formation of a mini-Neptune planet in a protoplanetary ring. The Astronomical Journal, 158, 15.
Petrovic, J. J. (2003). Mechanical properties of ice and snow. Journal of Materials Science, 38,
1. https://doi.org/10.1023/A:1021134128038.
Pike, R. J. (1988). Geomorphology of impact craters on Mercury. In Mercury (p. 165). Tucson:
University of Arizona Press.
Piquette, M., & Horányi, M. (2017). The effect of asymmetric surface topography on dust dynamics
on airless bodies. Icarus, 291, 65–74.
Pirali, O., Boudon, V., Carrasco, N., & Dartois, E. (2014). Rotationally resolved IR spectroscopy of
hexamethylenetetramine (HMT) C 6 N 4 H 12 . Astronomy and Astrophysics, 561, A109.
Poch, O., Pommerol, A., Jost, B., Carrasco, N., Szopa, C., & Thomas, N. (2016a). Sublimation of
ice-tholins mixtures: A morphological and spectro-photometric study. Icarus, 266, 288.
Poch, O., Pommerol, A., Jost, B., Carrasco, N., Szopa, C., & Thomas, N. (2016b). Sublimation of
water ice mixed with silicates and tholins: Evolution of surface texture and reflectance spectra,
with implications for comets. Icarus, 267, 154–173.
References
483