Abstract
Grains responsible for the 2.2–22 µm infrared radiation from galaxies are charged by the photoelectric effect and effectively frozen into the ionized gas surrounding the galactic nuclei.
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WICKRAMASINGHE, N. Retention of Dust Grains near Galactic Nuclei. Nature 225, 145–147 (1970). https://doi.org/10.1038/225145a0
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DOI: https://doi.org/10.1038/225145a0
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