![This is the spectrum of a massive AGB star (white dots) together with the predictions of the new model atmospheres (yellow line), and of the previous models which did not include the envelope ( blue line). The Rubidium is detected as a very strong absorpt This is the spectrum of a massive AGB star (white dots) together with the predictions of the new model atmospheres (yellow line), and of the previous models which did not include the envelope ( blue line). The Rubidium is detected as a very strong absorpt](/sites/default/files/styles/crop_square_2_2_to_320px/public/images/news/prensa848_1111.jpg?itok=GHmRDcLR)
A new stellar model atmosphere, published in the journal Astronomy & Astrophysics Letters, puts an end to the apparent disagreement between theory and observation for this exotic radioactive element
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