Deux équipes concurrentes publient à quelques jours d'intervalle des résultats de l'analyse de la composition isotopique du monoxyde de carbone de la haute atmosphère martienne. Leur conclusion respective est exactement la même : la photolyse du CO2 a produit plus de CO sur Mars que ce qu'on pensait, ce qui peut expliquer la quantité de molécules organiques observée au sol, qui ne seraient donc pas d'origine biotique. Les deux études sont publiées dans Nature Astronomy (le 11 mai) et dans The Planetary Science Journal (le 26 mai).
Emissions
- Ça Se Passe Là-Haut
- #1502 : L'anomalie du carbone-13 martien résolue par deux équipes simultanément
Publié le par Eric Simon
Eric Simon
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