Abstract
There exists a close correspondence between the measured infrared properties of diatoms and the infrared spectrum of interstellar dust as observed in the Trapezium nebula and toward the galactic center source GC-IRS 7. Diatoms and bacteria also exhibit an absorbance peak near 2200 Å, which is found to agree with the observed ultraviolet absorbance properties of interstellar grains. We review the observational data and consider the known properties of diatoms and bacteria. It is suggested that these characteristics are consistent with the concept of acosmic microbiological system in which these or similar microorganisms might exist on comets, Europa and in interstellar space.
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Hoover, R.B., Hoyle, F., Wickramasinghe, N. et al. Diatoms on Earth, Comets, Europa and in Interstellar Space. Astrophysics and Space Science 268, 197–224 (1999). https://doi.org/10.1023/A:1002454431909
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DOI: https://doi.org/10.1023/A:1002454431909