Recent observations of Halley's Comet show a broad absorption band centred at 3.4 pm and which can be explained on the basis of a bacterial grain model.
✦ LIBER ✦
Modelling the 5–30 Μm spectrum of Comet Halley
✍ Scribed by N. C. Wickramasinghe; M. K. Wallis; F. Hoyle
- Publisher
- Springer Netherlands
- Year
- 1988
- Tongue
- English
- Weight
- 474 KB
- Volume
- 43
- Category
- Article
- ISSN
- 1573-0794
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✦ Synopsis
The 5-30 pm spectrum of Comet P/Halley is modelled for various grain compositions on the basis of an observationally determined distribution of grain sizes. We compute the distribution function of grain temperatures and fluxes arising from (1) a mineral grain model, and ( 2) an organic grain model comprised of a diatom/POM mixture. The organic/POM model yields excellent accord with the cometary observations.
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