formation des planètes (IMAGE) University of Bern Caption Illustration de la formation des planètes autour d'une étoile semblable au Soleil, avec les éléments constitutifs des planètes - roches et molécules de fer - au premier plan. Credit © Tania Cunha (Planetário do Porto - Centro Ciência Viva & Instituto de Astrofísica e Ciências do Espaço) Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.