Earth Science

Physicist’s estate to advance geochemistry and cosmochemistry at Carnegie

Abelson image

Washington, DC—The estate of the late Carnegie physicist and historian Louis Brown, who died in 2004, and his wife Lore, who died late last year, included a bequest of $4.5 million to support research about the Solar System’s formation and evolution, as well as the planet’s dynamic interior processes.

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Meteorite strikes may create unexpected form of silica

Crator in Arizona

When a meteorite hurtles through the atmosphere and crashes to Earth, how does its violent impact alter the minerals found at the landing site? What can the short-lived chemical phases created by these extreme impacts teach scientists about the minerals existing at the high-temperature and pressure conditions found deep inside the planet?

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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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