AUTHOR=Amit Hagay , Deguen Renaud , Driscoll Peter , Nakagawa Takashi TITLE=Editorial: Stratification in the Cores of Earth and Other Planets JOURNAL=Frontiers in Earth Science VOLUME=7 YEAR=2019 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2019.00165 DOI=10.3389/feart.2019.00165 ISSN=2296-6463