The Viking biology experiments on Mars revisited

被引：1

作者：

Mckay, Christopher P. ^{[1
]}

Quinn, Richard C. ^{[1
]}

Stoker, Carol R. ^{[1
]}

机构：

[1] NASA, Space Sci Div, Ames Res Ctr, Mail Stop 245-3, Moffett Field, CA 94035 USA

来源：

ICARUS | 2025年 / 431卷

关键词：

Mars; Viking; Biology; Perchlorate; Life; MARTIAN SOIL; PERCHLORATE; REACTIVITY; SURFACE; ORIGIN; MODEL;

D O I：

10.1016/j.icarus.2025.116466

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The discovery of perchlorate on Mars by the Phoenix mission has provided a basis for explaining the results of the Viking Landers. Thermal decomposition of perchlorate in the ovens of the instrument can explain the lack of organics detected. Accumulation of hypochlorite in the soil from cosmic ray decomposition of perchlorate can explain the reactivity seen when nutrient solutions were added to the soil in the Viking Biology Experiments. A non-biological explanation for the Viking results does not preclude life on Mars.

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