Composition of Cometary Dust: The Case against Silicates |
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| Authors: | DA Mendis NC Wickramasinghe |
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| Institution: | (1) Department of Applied Mathematics and Astronomy, University College, Cardiff, U.K. |
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| 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.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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