Abstract
The chemical composition of comet nuclei derived from current data on interstellar dust ingredients and comet dust and coma molecules are shown to be substantially consistent with each other in both refractory and volatile components. When limited by relative cosmic abundances the water in comet nuclei is constrained to be close to 30% by mass and the refractory to volatile ratio is close to 1:1. The morphological structure of comet nuclei, as deduced from comet dust infrared continuum and spectral emission properties, is described by a fluffy (porous) aggregate of tenth micron silicate core-organic refractory mantle particle on which outer mantles of predominantly H2O ices contain embedded carbonaceous and polycyclic aromatic hydrocarbon (PAH) type particles of size in the of 1 — 10 nm range.
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References
A’hearn, M.F., Millis, R.L., Schleicher, D.G., et al.: 1995, Icarus 118, 223.
Artymowicz, P.: 1994, in Circumstellar Dust Disks and Planet Formation (edited by R. Ferlet and A. Vidal-Madjar), 47. Editions Frontieres: Gif sur Yvette.
Aumann, H.H., et al.: 1984, Astrophys. J. 278, L23.
Backman, D.E. and Paresce, F.: 1993, in Protostars and Planets III, (edited by E.H. Levy, J.I. Lunine and M.S. Mathews), p. 208. University of Arizona Press, Tuscon.
Beust, H., Lagrange-henri, A.M., Vidal-Madjar, A. and Ferlet, R.: 1990, Astron. Astrophys. 236, 202.
Bockelée-Morvan, D.: 1997, in Molecules in Astrophysics: Probes and Processes (edited by E.F. van Dishoeck), IAU Symp. 178, p.222. Kluwer, Dordrecht.
Campins, H. and Ryan, E.: 1989, Astrophys. J. 341, 1059.
Colangeli, L., Mennella, V., Di Marino, C., Rotundi, A. and Bussoletti, E.: 1995, Astron. Astrophys. 293, 927.
Crifo, J.F.: 1987, in Interplanetary Matter (edited by Z. Ceplecha and P. Pecina), Czech. Academy of Sciences Report G7, 59.
Crovisier, J.: 1999, in Formation and Evolution of Solids in Space (edited by J.M. Greenberg and A. Li), p. 389. Kluwer, Dordrecht.
Crovisier, J., Leech, K., Bockelée-Morvan, D., et al.: 1997, Science 275, 1904.
Delsemme, A.H.: 1982, in Comets (edited by L.L. Wilkening), P. 85. University of Arizona Press, Tucson.
Eberhardt, P., Krankowsky, D., Schulte, W., et al.: 1987, Astron. Astrophys. 187, 481.
Fulle, M.: 1999, Planet. Space Sci., in press.
Gehrz, R.D. and Ney, E.P.: 1992, Icarus 100, 162.
Greenberg, J.M.: 1982, in Comets (edited by L.L. Wilkening), p. 131. University of Arizona Press, Tuscon.
Greenberg, J.M.: 1986, Nature 321, 385.
Greenberg, J.M.: 1998, Astron. Astrophys. 330, 375.
Greenberg, J.M.: 1999, in Formation and Evolution of Solids in Space (edited by J.M. Greenberg and A. Li), p. 53. Kluwer, Dordrecht.
Greenberg, J.M. and Hage, J.I.: 1990, Astrophys. J. 361, 260.
Greenberg, J.M. and Li, A.: 1998a, in Solar System Ices (edited by B. Schmitt, C. de Bergh and M. Festou), Chapter 13, p. 337. Kluwer, Dordrecht.
Greenberg, J.M. and Li, A.: 1998b, Astron. Astrophys. 332, 374.
Greenberg, J.M., Mizutani, H., and Yamamoto, T.: 1995, Astron. Astrophys. 295, L35.
Greenberg, J.M., Li, A., Kozasa, T., and Yamamoto, T.: 1996, in Physics, Chemistry, and Dynamics of Interplanetary Dust, (edited by B.A.S. Gustafson, M.S. Hanner), ASP Conference Series, Vol. 104, p. 497.
Greenberg, J.M., Li, A., Mendoza-Gómez, C.X., Schutte, W.A., Gerakines, P.A. and de Groot, M.: 1995, Astrophys. J. 455, L177.
Hanner, M.S., Lynch, D.K. and Russell, R.W.: 1994, Astrophys. J. 425, 274.
Hanner, M.S., Lynch, D.K., Russell, R.W., Hackwell, J.A. and Kellogg, R.: 1996, Icarus 124, 344.
Hanner, M.S.: 1997, BAAS 29, 1042.
Hayward, T.L. and Hanner, M.S.: 1997, Science 275, 1907.
Irvine, W.M., Bockelée-Morvan, D., et al.: 1996, Nature 383, 418.
Jenniskens, P., Baratta, G.A., Kouchi, A., de Groot, M.S., Greenberg, J.M. and Strazzulla, G.: 1993, Astron. Astrophys. 273, 583.
Jessberger, E.K. and Kissel, J.: 1991, in Comets in the Post-Halley Era (edited by R.L. Newburn, M. Neugebauer and J. Rahe), p. 1075, Kluwer, Dordrecht.
Jewitt, D.C. and Matthews, H.E.: 1999, Astron. J. 117, 1156.
Kissel, J., Sagdeev, R.Z., Bertaux, J.L., et al.: 1986a, Nature 321, 280.
Kissel, J., Brownlee, D.E., Büchler, K., et al.: 1986b, Nature 321, 336.
Knacke, R.F., Fajardo-Acosta, S.B., Telesco, C.M., et al.: 1993, Astrophys. J. 418, 440.
Krueger, F.R. and Kissel, J.: 1987, Naturwissenschaften 74, 312.
Lagage, P.O. and Pantin, E.: 1994, Nature 369, 628.
Lawler, M.E. and Brownlee, D.E.: 1992, Nature 359, 810.
Li, A. and Greenberg, J.M.: 1997, Astron. Astrophys. 323, 566.
Li, A. and Greenberg, J.M.: 1998a, Astron. Astrophys. 338, 364.
Li, A. and Greenberg, J.M.: 1998b, Astrophys. J. 498, L83.
Li, A. and Greenberg, J.M.: 1998c, Astron. Astrophys. 331, 293.
Li, A. and Greenberg, J.M.: 1999, Space Sci. Rev., in press.
Maas, R.W., Ney, E.P. and Woolf, N.F.: 1970, Astrophys. J. 160, L101.
McDonnell, J.A.M., Alexander, W.M., Burton, W.M., et al.: 1986, Nature 321, 338.
Mukai, T. and Fechtig, H.: 1983, Planet. Space Sci. 31, 655.
Mumma, M., Weissman, P. and Stern, S.A.: 1993, in Protostars and Planets III (edited by E.H. Levy, J.I. Lunine and M.S. Mathews), p. 1177. University of Arizona Press, Tucson.
Rickman, H.: 1986, in Comet Nucleus Sample Return (edited by O. Melitta), ESA SP 249, p. 195.
Russo, N.D.: 1997, IAU Circ. 6604.
Schutte, W.A.: 1996, in The Cosmic Dust Connection, (edited by J.M. Greenberg), Kluwer, p. 1.
Sekanina, Z.: 1996, Astron. Astrophys. 314, 957.
Smith, B.A. and Terrile: 1984, Science 226, 1421.
Smoluchowski, R., Marie, M. and McWilliam, A.: 1984, Earth, Moon, and Planets 30, 281.
Utterback, N.G. and Kissel, J.: 1990, Astron. J 100, 1315.
Van de Hulst, H.C.: 1949, Rech. Astr. Obs. Utrecht 11, part 2.
Vidal-Madjar, A., Lagrange-Henri, A-M., Feldman, P.D., et al.: 1994, Astron. Astrophys. 290, 245.
Waelkens, C., Waters, L.B.F.M., de Graauw, M.S., et al.: 1996, Astron. Astrophys. 315, L245.
Waters, L.B.F.M., Molster, F.J., de Jong, T., et al.: 1996, Astron. Astrophys. 315, L36.
Weissman, P.R.: 1984, Science 224, 987.
Weissman, P.R. and Campins, H.: 1993, in Resources of Near-Earth Space (edited by J. Lewis, M.S. Mathews and M.L. Guerrieri), p. 569. University of Arizona Press, Tucson.
Whipple, F.L.: 1950, Astrophys. J. 111, 375.
Whipple, FL.: 1951, Astrophys. J. 113, 464.
Williams, D.M., Mason, C.G., Gehrz, R.D., et al.: 1997, Astrophys. J. 489, L91.
Wooden, D.H., Harker, D.E., Woodward, C.E., et al.: 1999, Astrophys. J., in press.
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Greenberg, J.M., Li, A. (1999). Morphological Structure and Chemical Composition of Cometary Nuclei and Dust. In: Altwegg, K., Ehrenfreund, P., Geiss, J., Huebner, W.F. (eds) Composition and Origin of Cometary Materials. Space Science Series of ISSI, vol 8. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4211-3_15
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