Abstract
The chemical composition of the solid grains from comet Halley can be inferred from impact-ionization time-of-flight mass spectrometry. Halley's dust in the vicinity of the VEGA-1 spacecraft is a mixture of a refractory organic component and unequilibrated silicates, but detailed chemical information on individual particles is difficult to extract because of the complexity of the impact-ionization process.
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Jessberger, E., Christoforidis, A. & Kissel, J. Aspects of the major element composition of Halley's dust. Nature 332, 691–695 (1988). https://doi.org/10.1038/332691a0
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DOI: https://doi.org/10.1038/332691a0
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