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Shooting stars from the Red Planet! |
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We see them in the night sky, but isn’t it surprising that we may be sometime ‘wishing’ before rocks from Mars? That’s right. They are able to identify 2 dozens of these ‘meteorites from mars’ among a collection of ~20,000! |
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This is how they do it: 1. Concentrations of gases measured in the inclusion in a meteorite (EET 79001) collected from Antarctica match those measured in martian atmosphere as measured by the Viking missions.
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2. They also use many chemical and isotopic signatures to identify these meteorites.
3. Finally one uses the correlation between a known martian meteorite with a new one.
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