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Martian meteoriteScienceDaily
•76% Informative
Two samples from Mars together deliver clear evidence of the origin of Martian organic material.
The study presents solid evidence for a prediction made over a decade ago by University of Copenhagen researchers.
It could be key to understanding how organic molecules, the foundation of life, were first formed here on Earth .
Carbon in the Allan Hills meteorite is enriched in carbon-13 , which makes it the mirror image of the depletion in CO2 in the organic material found by Curiousity on Mars .
This shows that carbon monoxide is the starting point for the synthesis of organic molecules in these kinds of atmospheres.
Researchers hope to find the same isotopic evidence on Earth , but this has yet to happen.
Mars , Earth , and Venus had the same atmosphere as our neighboring planets Mars and Venus billions of years ago.
The photolysis theory states that UV rays from the sun then start a chain of chemical reactions.
A chain that starts with the breakdown of CO2 into carbon monoxide, which is the building block for a multitude of other chemical compounds.
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