Rujukan Hipotesis_Bumi_Ungu

  1. ↑ DasSarma, Shiladitya (2007). "Extreme Microbes". American Scientist. 95 (3): 224. doi:10.1511/2007.65.224.
  2. ↑ DasSarma, Shiladitya; Schwieterman, Edward W. (11 October 2018). "Early evolution of purple retinal pigments on Earth and implications for exoplanet biosignatures". International Journal of Astrobiology. 20 (3): 241–250. arXiv:1810.05150. Bibcode:2018arXiv181005150D. doi:10.1017/S1473550418000423. ISSN 1473-5504.
  3. ↑ Sparks, William B.; DasSarma, S.; Reid, I. N. (December 2006). "Evolutionary Competition Between Primitive Photosynthetic Systems: Existence of an early purple Earth?". American Astronomical Society Meeting Abstracts. 38: 901. Bibcode:2006AAS...209.0605S.
  4. ↑ Cooper, Keith (Oct 15, 2018). "WAS LIFE ON THE EARLY EARTH PURPLE?". Astrobiology Magazine. Dicapai pada 28 March 2021.
  5. ↑ Stoeckenius, Walther (1976). "The Purple Membrane of Salt-loving Bacteria". Scientific American. 234 (6): 38–47. Bibcode:1976SciAm.234f..38S. doi:10.1038/scientificamerican0676-38. ISSN 0036-8733. JSTOR 24950370. PMID 935845.

Rujukan

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