Abstract
From an analysis of the interstellar extinction we conclude that interstellar grains are of three main kinds: graphite spheres of radii ∼ 0.02 μm making up ∼ 10% of the total grain mass, small dielectric spheres of radius about 0.04 μm making up ∼ 25% of the mass, and hollow dielectric cylinders containing metallic iron with diameters of ∼ 2/3 μm making up ∼ 45% of the mass. The remaining ∼ 20% consists of other metals and metal oxides. The main dielectric component of the grains appears to be comprised of organic material.
1982, Astrophys. Space Sci. 86, 321-329.
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Hoyle, F., Wickramasinghe, N.C. (2000). A Model for Interstellar Extinction. In: Hoyle, F., Wickramasinghe, N.C. (eds) Astronomical Origins of Life. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4297-7_27
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DOI: https://doi.org/10.1007/978-94-011-4297-7_27
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