An optical spectroscopic study correlating the yellow rain and cultured red rain microbes

@inproceedings{Kumar2009AnOS,
  title={An optical spectroscopic study correlating the yellow rain and cultured red rain microbes},
  author={A. S. Kumar and Godfrey Louis},
  booktitle={Optical Engineering + Applications},
  year={2009}
}
A number of cases of yellow colored rain occurred in Kerala, India in July-August 2001 along with the red rain phenomenon. Recently during the end of July 2008 a few cases of yellow colored rain again occurred in Kerala and during the same time, unusual rain, termed as "blood rain" occurred in Bagado, Colombia. In this paper we show that the yellow rain and red rain can have a common origin. The yellow rainwater also exhibits the same unusual autofluorescence reported earlier for the cultured… Expand
2 Citations
Autofluorescence characteristics of the red rain cells
Red rain cells are the microscopic biological cells which appear mixed in rain water in large quantity imparting visibly red color to the rain water in a strange event called red rain phenomenon. OurExpand
Growth characteristics of red rain microbes at temperatures below 100 °C
The red rain microbes, which caused red rain phenomenon in Kerala, India, exhibit many characteristics much different from conventional microorganisms. Previous study indicates that these microbesExpand

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TLDR
The study shows the absence of DNA in these organisms, indicating a new primitive domain of life with alternate thermostable genetics and supports the earlier argument that the mysterious red rain of Kerala is due to the cometary delivery of the red spores into the stratosphere above Kerala. Expand