Press Releases

Iron rich meteorites retain record of core crystallization in Solar System’s oldest planetary objects

A back-scattered electron image showing one of the products of Chabot’s lab at APL mimicry of the core crystallization process. Liquid metal is on the right and solid metal is on the left. Image is courtesy of Nancy Chabot and Peng Ni.

 New work led by Carnegie’s Peng Ni and Anat Shahar uncovers new details about our Solar System’s oldest planetary objects, which broke apart in long-ago collisions to form iron-rich meteorites.

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How does Earth sustain its magnetic field?  

Earth's magnetic field protects our atmosphere from solar radiation.

New work from an international team of researchers, including current and former Carnegie scientists Alexander Goncharov, Nicholas Holtgrewe, Sergey Lobanov, and Irina Chuvashova examines how the presence of lighter elements in the predominately iron core could affect the geodynamo’s genesis and sustainability.

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