Correction: Energy for microbial life on Europa

C. Chyba

Nature, 2000, vol. 406, issue 6794, 368-368

Abstract: Nature 403, 381– 382 (2000) In this communication, I estimated the biomass that could be supported by mixing the ice irradiation products HCHO and H2O2 into Europa's ocean, finding values that ranged from ∼107 g to ∼1010 g. However, a calculational error in the higher estimate has recently come to my attention (E. J. Gaidos, K. N. Nealson and J. L. Kirschvink, personal communication). The correct result is ∼108 g, making detectability of potential Europan life under this model considerably more difficult. I present a revised calculation and discuss related practical issues in the search for life on Europa at http://www.seti.org/pdf/chyba_lander.pdf.

Date: 2000
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DOI: 10.1038/35019159

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