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Composition of cometary dust: The case against silicates |
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| Authors: | D. A. Mendis N. C. Wickramasinghe |
| Affiliation: | 1. Dept. of Applied Mathematics and Astronomy, University College, Cardiff, Wales |
| Abstract: | It is argued that the infrared emission including 10 and 18 μ features observed in recent comets is unlikely to be due to silicates. The vaporization temperature of the emitting material ～500 K is consistent with emission by crystalline polyformaldehyde. |
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