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first martian organic matterPhys Org
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84% Informative
NASA has announced the first detection of possible biosignatures in a rock on the surface of Mars .
The rock contains the first martian organic matter to be detected by the Perseverance rover, as well as curious discolored spots that could indicate the past activity of microorganisms.
NASA has not told us which types of organic molecules are actually present in the rock, so it is hard to evaluate their origins.
The dark margins of the Cheyava Falls spots are enriched in both iron and phosphate, an association previously suggested to occur around some calcium sulfate veins on Mars .
This observation is consistent with life, but also with chemical reactions driven by acidic fluids.
The new findings will embolden those calling on NASA and the European Space Agency to proceed with the troubled multi-billion-dollar sample retrieval program.
VR Score
87
Informative language
88
Neutral language
30
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informal
Language
English
Language complexity
54
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Time-value
long-living
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14
Source diversity
10
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