![Figure caption:Rubidium is detected as a strong absorption line at 780 nanometers. The spectra (in red) of three rubidium-rich stars discovered in the Magellanic Clouds are shown together with one of the ESO/VLT telescopes used in this study and the Large Figure caption:Rubidium is detected as a strong absorption line at 780 nanometers. The spectra (in red) of three rubidium-rich stars discovered in the Magellanic Clouds are shown together with one of the ESO/VLT telescopes used in this study and the Large](/sites/default/files/styles/crop_square_2_2_to_320px/public/images/news/resultados51_54.jpg?itok=S-ipzK8a)
We have identified for the first time extragalactic rubidium-rich Asymptotic Giant Branch (AGB) stars in low metallicity environments such as the Magellacnic Clouds. AGB stars are the late stages in the evolution of low- and intermediate mass (1-8 solar mass) stars, when they develop thermal instabilities in the He-burning shell and suffer extreme mass loss. Thus, AGB stars are a principal contributor to the enrichment of the interstellar medium and so to the chemical evolution of galaxies, being fantastic laboratories to test the theory of stellar evolution and nucleosynthesis. The more
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