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1997•Astronomy & GeophysicsOpen access

Microfossils from Mars:

M. M. Grady, Ian P Wright, C. T. Pillinger

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Abstract

In August 1996 a paper was published in the journal Science announcing the apparent discovery, in a meteorite, of a primitive fossilized Martian life form (McKay et al. 1996). The implication of the observations is that there was once life on Mars. Here we outline the background to the study, the evidence presented by the NASA team, and possible alternative explanations for their observations.

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What this paper is about

In August 1996 a paper was published in the journal Science announcing the apparent discovery, in a meteorite, of a primitive fossilized Martian life form (McKay et al. 1996). The implication of the observations is that there was once life on Mars. Here we outline the background to the study, the evidence presented by the NASA team, and possible alternative explanations for their observations.

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Available abstract

In August 1996 a paper was published in the journal Science announcing the apparent discovery, in a meteorite, of a primitive fossilized Martian life form (McKay et al. 1996). The implication of the observations is that there was once life on Mars. Here we outline the background to the study, the evidence presented by the NASA team, and possible alternative explanations for their observations.

Key concepts: Astrobiology, Mars Exploration Program, Martian, Meteorite, Life on Mars, Extraterrestrial life, Geology, Physics

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